A254987 Number of (n+2)X(6+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

639228, 6027037, 86136256, 1365133989, 20587404155, 319124131437, 5043778832638, 78770412758751, 1231980088879281, 19349677731583522, 303689465790003843, 4763548444287970719, 74773298354655308950

Offset

1,1

Comments

Column 6 of A254989

Links

R. H. Hardin, Table of n, a(n) for n = 1..126

Example

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

Crossrefs

Cf. A254989

Sequence in context: A113951 A257194 A257187 * A236996 A250884 A190574

Adjacent sequences: A254984 A254985 A254986 * A254988 A254989 A254990

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved