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A278382
Number of nX5 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
1
0, 267, 12910, 368421, 8632118, 179716850, 3325788157, 54735436424, 813247916326, 11132424779200, 142827255320422, 1735129660080135, 20034300716422826, 219810810847095930, 2288305542134926763
OFFSET
1,2
COMMENTS
Column 5 of A278385.
FORMULA
Empirical polynomial of degree 127 (see link above)
EXAMPLE
Some solutions for n=3
..0..1..0..1..1. .1..1..1..0..0. .1..0..1..1..0. .1..1..1..0..1
..0..0..1..1..0. .0..1..1..0..1. .0..0..0..0..0. .0..0..1..0..1
..1..1..0..0..0. .0..0..0..1..1. .1..0..1..1..1. .1..0..1..0..0
CROSSREFS
Cf. A278385.
Sequence in context: A049014 A186056 A236740 * A062037 A244194 A096613
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 20 2016
STATUS
approved