A234127 Number of (n+1)X(4+1) 0..6 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

12457, 484731, 19007583, 753253097, 29939517797, 1191882104721, 47493714739641, 1893857438251263, 75563062469539403, 3016375900398947031, 120461028024895476887, 4812488258562982818841, 192324808079833297779041

Offset

1,1

Comments

Column 4 of A234131

Links

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

R. H. Hardin, Empirical recurrence of order 78

Formula

Empirical recurrence of order 78 (see link above)

Example

Some solutions for n=1
..3..3..3..4..4....4..4..3..3..4....3..2..2..2..2....6..5..5..4..4
..4..3..4..3..4....3..3..3..3..4....2..3..3..3..3....6..5..5..5..5

Crossrefs

Sequence in context: A252613 A221016 A237901 * A272132 A206664 A033669

Adjacent sequences: A234124 A234125 A234126 * A234128 A234129 A234130

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved