A251017 Number of (n+1)X(6+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

845838, 431623476, 215399006284, 107601568615993, 53785005221582139, 26881736550623664594, 13434537978036585857431, 6714146262538950082356987, 3355558560304285381058357628, 1677030889133161924597190722127

Offset

1,1

Comments

Column 6 of A251019

Links

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

Example

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

Crossrefs

Sequence in context: A157078 A160548 A259014 * A216001 A141296 A236978

Adjacent sequences: A251014 A251015 A251016 * A251018 A251019 A251020

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved