A251207 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2

17152, 489772, 16687766, 667858580, 29868134632, 1430667235078, 71260903869938, 3627694408668076, 186917463235694336, 9695744269718563214, 504822291537301622030, 26339550472767837660896, 1375916534022488327846376

Offset

1,1

Comments

Column 5 of A251210

Links

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

R. H. Hardin, Empirical recurrence of order 65

Formula

Empirical recurrence of order 65 (see link above)

Example

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

Crossrefs

Sequence in context: A247697 A218247 A235891 * A233993 A043621 A334310

Adjacent sequences: A251204 A251205 A251206 * A251208 A251209 A251210

Keyword

nonn

Author

R. H. Hardin, Nov 30 2014

Status

approved