OFFSET
3,2
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(5) = 5 because of the following strict embedding of P2 X P5 into N5:
- - 1 - -
1 - 4 - 2 where the vertices of P2 X P5 are
4 - 2 - 5 1 2 3 4 5
- - 5 3 - 1 2 3 4 5
- 3 - - -
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Don Knuth, Feb 10 2022
STATUS
approved