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A251347 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 3 4 or 5 1
11709, 663307, 39019417, 2324761359, 139048718681, 8328173688589, 499036482452523, 29907963638879071, 1792532136871875085, 107437636306908032001, 6439458920181575157103, 385961148453732028388159 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251351

LINKS

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

R. H. Hardin, Empirical recurrence of order 60

FORMULA

Empirical recurrence of order 60 (see link above)

EXAMPLE

Some solutions for n=1

..1..0..0..1..1....2..1..1..1..1....2..0..2..0..0....2..0..1..2..0

..0..2..2..0..1....0..2..1..0..1....0..1..1..1..2....0..1..1..1..0

CROSSREFS

Sequence in context: A250923 A015630 A237933 * A234863 A250695 A250680

Adjacent sequences:  A251344 A251345 A251346 * A251348 A251349 A251350

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified December 4 04:22 EST 2020. Contains 338921 sequences. (Running on oeis4.)