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A239187
Number of n X n 0..4 arrays with no element equal to the sum of elements to its left or the sum of the elements above it, modulo 5.
0
4, 120, 43648, 151351888, 5513429365240, 2035912702049716008, 7729009194864231554969192, 300075821246252998677257219449376
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OFFSET
1,1
COMMENTS
Diagonal of A239194
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
Some solutions for n=3
..2..1..2....4..2..4....1..2..1....1..4..4....2..1..4....4..1..4....3..2..4
..1..0..3....1..3..2....3..1..0....3..2..1....4..0..1....1..2..0....2..0..0
..1..2..4....1..4..2....2..4..4....3..4..4....2..0..3....1..0..2....3..4..3
CROSSREFS
Sequence in context: A213957 A006607 A286757 * A062081 A374723 A053881
Adjacent sequences: A239184 A239185 A239186 * A239188 A239189 A239190
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2014
STATUS
approved

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Last modified May 21 20:09 EDT 2026. Contains 395806 sequences.
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