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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 1
56, 777, 11810, 183000, 2625106, 33345171, 371484306, 3651371505, 32017940207, 253426591748, 1830279313794, 12175210709491, 75202293506194, 434279600673275, 2358572224659638, 12108001563352776, 59013152727127909 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 9 14:41 EDT 2020. Contains 335543 sequences. (Running on oeis4.)