A222280 Number of n X 7 0..5 arrays with no entry increasing mod 6 by 5 rightwards or downwards, starting with upper left zero.
15625, 428830605, 11770577485085, 323081602357856985, 8868023343395876315745, 243411692308741298296892325, 6681224184095576349599961437005, 183387889786149096233229076843262145
Offset: 1
Keywords
Examples
Some solutions for n=2: ..0..0..0..0..3..3..1....0..0..0..0..4..1..1....0..0..0..0..2..5..3 ..2..0..0..3..0..0..1....3..0..0..0..2..3..4....2..0..0..3..0..0..3
Crossrefs
Cf. A222281.
Comments