A254986 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically.

160753, 1301410, 13519728, 161272580, 1817472551, 20587404155, 238370434022, 2733003605240, 31238845491921, 358471218242842, 4114956556490703, 47191511918463212, 541413687125470615, 6212941969508476693

Offset

1,1

Comments

Column 5 of A254989

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..0..0..0..0..0..0..0....0..0..1..0..0..1..1....0..0..0..0..1..1..0
..1..0..1..0..0..1..0....1..1..1..0..1..1..0....0..0..1..0..1..1..0
..0..0..1..0..0..1..0....1..1..0..0..1..0..0....0..0..1..0..1..1..0

Crossrefs

Cf. A254989

Sequence in context: A214805 A257193 A257186 * A236977 A108162 A270973

Adjacent sequences: A254983 A254984 A254985 * A254987 A254988 A254989

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved