A227059 Number of nX5 -2..2 arrays of 2X2 subblock diagonal sums minus antidiagonal sums for some (n+1)X6 binary array with rows and columns of the latter in lexicographically nondecreasing order

56, 777, 11810, 183000, 2625106, 33345171, 371484306, 3651371505, 32017940207, 253426591748, 1830279313794, 12175210709491, 75202293506194, 434279600673275, 2358572224659638, 12108001563352776, 59013152727127909

Offset

1,1

Comments

Column 5 of A227060

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

Some solutions for n=3
..0..1..0.-2..1....1..0.-2..0..1....0..0..1..0.-1...-2..1..0..0..0
..0.-2..1..0.-1....0..0..1..0.-1....0..0..0..0..0....1.-2..0..0..1
..0..1.-2..2..0...-2..1.-1..1..0....1..0.-2..1..0....0..1..0..0.-1

Crossrefs

Sequence in context: A190419 A105940 A175602 * A285155 A278197 A182866

Adjacent sequences: A227056 A227057 A227058 * A227060 A227061 A227062

Keyword

nonn

Author

R. H. Hardin Jun 30 2013

Status

approved