A240464 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.
66, 2200, 75167, 2632690, 92193017, 3228706651, 113105814752, 3962629938717, 138830275066900, 4863899993991019, 170406516596392953, 5970190697057475835, 209165606073684385931, 7328116621928639369238, 256740568387799086329458
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0....2..2..2....0..0..2....2..0..2....0..2..0....0..2..0....2..0..0 ..0..2..2....0..0..0....0..2..2....0..0..0....0..2..0....0..2..1....0..0..2 ..2..0..0....2..0..2....2..0..0....0..0..2....2..0..0....0..0..2....0..0..2 ..0..0..0....2..0..2....0..0..2....0..2..0....3..1..0....0..2..0....0..2..0 ..2..0..0....0..2..2....0..3..2....0..0..0....3..1..2....2..0..1....2..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments