OFFSET

3,3

LINKS

Donald E Knuth, The Art of Computer Programming, exercises on "knight grids" in Section 7.2.2.3 (preliminary draft)

Don Knuth, CWEB program

EXAMPLE

a(6) = 4 because of the following strict embedding of P4 X P4 into N6:

- - 1 - 3 -

1 - 3 - - - where the vertices of P4 X P4 are

- - 1 2 3 4 1 2 3 4

1 2 3 4 - - 1 2 3 4

- - - 2 - 4 1 2 3 4

- 2 - 4 - - 1 2 3 4

CROSSREFS

KEYWORD

nonn,more

AUTHOR

Don Knuth, Feb 10 2022

STATUS

approved