A240421 - OEIS

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A240421

Number of nX5 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

63, 2045, 52711, 1197511, 27488435, 619040901, 14838256141, 349768244657, 8746284074471, 212768975785239, 5439041489223935, 134541898503391615, 3471367418548587711, 86596907275765997247, 2241321207498299744197

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A240422

LINKS

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

EXAMPLE

Some solutions for n=3

..0..0..0..0..3....0..0..1..0..1....0..3..3..3..1....0..1..0..0..1

..1..1..1..3..3....0..1..0..1..1....0..3..0..0..2....1..0..0..1..1

..0..1..0..2..2....0..0..1..1..2....3..3..2..3..3....0..0..1..1..2

CROSSREFS

Sequence in context: A017779 A110826 A017726 * A170932 A173191 A143401

Adjacent sequences: A240418 A240419 A240420 * A240422 A240423 A240424

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 2014

STATUS

approved