A238996 Number of nX7 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of the sum of elements above it, modulo 4

255, 90841, 29422487, 8839918663, 2576820346901, 741313154055591, 212231595626785699, 60622006079484508011, 17303054413357418999617, 4936645554621315824547589, 1408303888106364409634945519

Offset

1,1

Comments

Column 7 of A238997

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..0..3..0..0..0..3..1....3..0..3..1..0..0..3....3..3..1..0..0..3..3
..3..2..0..1..3..2..0....0..1..2..2..1..3..0....3..0..0..0..3..3..0

Crossrefs

Sequence in context: A267545 A069383 A175824 * A069409 A069435 A221214

Adjacent sequences: A238993 A238994 A238995 * A238997 A238998 A238999

Keyword

nonn

Author

R. H. Hardin, Mar 08 2014

Status

approved