A251455 Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to a prime

47874, 2922936, 172965058, 10325081994, 614533146306, 36647302556482, 2183158464447536, 130169302479945344, 7756819425049401366, 462457171330625912018, 27561824737030754853020, 1643128075181895650348806

Offset

1,1

Comments

Column 4 of A251459

Links

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

Example

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

Crossrefs

Sequence in context: A254807 A253816 A190927 * A204402 A203929 A234172

Adjacent sequences: A251452 A251453 A251454 * A251456 A251457 A251458

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved