A233985 Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

4064, 62040, 914000, 14319916, 218943540, 3423714364, 52813238148, 823369058112, 12742490550076, 198298730064604, 3073521685701812, 47782924139864764, 741186721423015216, 11516722220527152504

Offset

1,1

Comments

Column 4 of A233989

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=2
..2..3..1..2..1....3..1..2..1..0....3..2..0..2..4....0..2..3..1..3
..4..2..3..4..2....4..2..4..3..1....1..3..2..1..3....1..0..1..2..1
..2..3..1..2..3....3..4..3..1..0....0..2..0..2..1....0..2..3..4..2

Crossrefs

Sequence in context: A146894 A013688 A221452 * A126822 A251005 A256028

Adjacent sequences: A233982 A233983 A233984 * A233986 A233987 A233988

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved