A235447 Number of (n+1) X (6+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.
9418, 657290, 44920240, 3043145826, 205551169550, 13868068262164, 935263088301396, 63064724124453082, 4252224342324710504, 286706640921161498010, 19331099358385310094498, 1303390076791046628378510
Offset: 1
Keywords
Examples
Some solutions for n=1 ..1..1..0..0..1..1..0....0..0..0..1..1..1..0....0..0..0..1..1..1..1 ..0..0..1..0..0..0..1....0..0..0..0..0..0..0....1..1..0..0..1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A235449.
Comments