A234121 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.
313537, 93113761, 26937444801, 7888454356625, 2315408571668225, 680845368964238145, 200376051988817866625, 58999673293833047076529, 17376516489941449765539393, 5118401705337856988983612385
Offset: 1
Keywords
Examples
Some solutions for n=1 ..1..1..0..1..1..2..1..1....1..0..0..1..1..1..1..0....0..0..0..0..0..0..1..0 ..0..1..1..1..2..1..2..1....0..1..1..1..2..1..1..0....0..1..1..0..1..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
- R. H. Hardin, Empirical recurrence of order 62
Formula
Empirical recurrence of order 62 (see link above)
Comments