A254985 Number of (n+2)X(4+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

39891, 273707, 2120266, 18875800, 161272580, 1365133989, 11760002405, 100659927202, 858747962899, 7329337162335, 62590088958204, 533944367187918, 4555216123708401, 38861382340915746, 331524738240715849

Offset

1,1

Comments

Column 4 of A254989

Links

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

Example

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

Crossrefs

Cf. A254989

Sequence in context: A103809 A257192 A257185 * A210386 A076670 A251757

Adjacent sequences: A254982 A254983 A254984 * A254986 A254987 A254988

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved