A234180 Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

10120, 392664, 15322566, 604124712, 23888919458, 946183426722, 37514052801518, 1488477618052368, 59095926803262212, 2347453327563031374, 93288365373668423336, 3708702306984452959906, 147488317372296445028922

Offset

1,1

Comments

Column 4 of A234184

Links

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

R. H. Hardin, Empirical recurrence of order 60

Formula

Empirical recurrence of order 60 (see link above)

Example

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

Crossrefs

Sequence in context: A161786 A157711 A159863 * A054037 A289856 A023066

Adjacent sequences: A234177 A234178 A234179 * A234181 A234182 A234183

Keyword

nonn

Author

R. H. Hardin, Dec 20 2013

Status

approved