Quick Context: Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake!

The Trapped Knight Numberphile -

Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake! More links & stuff in full description below ↓↓↓ In many ways this video ...

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  • Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles.
  • Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake!
  • More links & stuff in full description below ↓↓↓ In many ways this video ...
  • Learn for free on Brilliant (and get 20% off a premium subscription) at ...

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Supporting Images

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The Trapped Knight - Numberphile

The Trapped Knight - Numberphile

Featuring Neil Sloane... Check out Brilliant (and get 20% off their premium service):

Red & Black Knights (extraordinary result) - Numberphile

Red & Black Knights (extraordinary result) - Numberphile

Featuring Neil Sloane, founder of the OEIS... See the extra patterns and variations (including three

Knight's Tour - Numberphile

Knight's Tour - Numberphile

Read more details and related context about Knight's Tour - Numberphile.

A Sequence with a Mistake - Numberphile

A Sequence with a Mistake - Numberphile

Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake! More links & stuff in full description ...

The Anti-Knight Killer Sudoku - Numberphile

The Anti-Knight Killer Sudoku - Numberphile

A "killer sudoku" with a stroke of genius... Learn for free on Brilliant (and get 20% off a premium subscription) at ...

A Sudoku Secret to Blow Your Mind - Numberphile

A Sudoku Secret to Blow Your Mind - Numberphile

Simon Anthony (from Cracking the Cryptic) reveals the Phistomephel Ring - a hidden feature of ALL Sudoku puzzles. Second ...

Coding the Trapped Knight

Coding the Trapped Knight

Read more details and related context about Coding the Trapped Knight.

Magic Chess Tours (with Knights and Kings) - Numberphile

Magic Chess Tours (with Knights and Kings) - Numberphile

Read more details and related context about Magic Chess Tours (with Knights and Kings) - Numberphile.

Zeno's Paradox - Numberphile

Zeno's Paradox - Numberphile

Dr James Grime is back and talking about tortoises. More links & stuff in full description below ↓↓↓ In many ways this video ...

Amazing Chessboard Patterns (extra) - Numberphile

Amazing Chessboard Patterns (extra) - Numberphile

Read more details and related context about Amazing Chessboard Patterns (extra) - Numberphile.