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

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

Crossrefs

Sequence in context: A220924 A220995 A264488 * A027792 A163935 A101099

Adjacent sequences: A227055 A227056 A227057 * A227059 A227060 A227061

Keyword

nonn

Author

R. H. Hardin Jun 30 2013

Status

approved