A251511 Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock summing to a prime

211680, 18567350, 1644478410, 148463964846, 13364799461286, 1208313756081050, 109013443872596196, 9858043579853849290, 890078709570970720374, 80492180151559856136298, 7270622635420927300366604

Offset

1,1

Comments

Column 4 of A251515

Links

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

Example

Some solutions for n=1
..1..2..1..0..1....0..1..0..0..0....1..1..1..2..2....1..1..3..0..1
..4..0..4..2..2....0..4..0..3..2....0..0..1..1..2....0..1..0..4..2

Crossrefs

Sequence in context: A236086 A123103 A259756 * A252880 A158993 A231418

Adjacent sequences: A251508 A251509 A251510 * A251512 A251513 A251514

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved