A227058 - OEIS

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A227058

Number of nX4 -2..2 arrays of 2X2 subblock diagonal sums minus antidiagonal sums for some (n+1)X5 binary array with rows and columns of the latter in lexicographically nondecreasing order

35, 329, 2934, 24511, 183000, 1202223, 6979049, 36211854, 170079551, 731624081, 2911895167, 10815978236, 37768115156, 124748330535, 391810133572, 1175449312194, 3381493985505, 9359644588159, 25000202714038, 64609485660739

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

OFFSET

1,1

COMMENTS

Column 4 of A227060

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..23

EXAMPLE

Some solutions for n=3

..0..1.-2..1....0..1..0..0....1..0.-2..0....0..0..0..0....1..0.-2..1

..1.-2..2.-2....0..0..0..0....0..0..0..1....1..0..0.-1....0..0..1.-2

..0..1.-2..1....0.-2..0..1....0..0..1.-2...-2..1..0.-1....0..0..0..1