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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 1
4064, 62040, 914000, 14319916, 218943540, 3423714364, 52813238148, 823369058112, 12742490550076, 198298730064604, 3073521685701812, 47782924139864764, 741186721423015216, 11516722220527152504 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 18 13:54 EDT 2021. Contains 347527 sequences. (Running on oeis4.)