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A251371 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock summing to 1 2 3 4 5 6 or 7 1
4159927, 8017100977, 15431888950873, 29707797738391051, 57189617044768555919, 110094177769643072247073, 211939290252887391404913105, 407998534122358956249893397419 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251373

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A237174 A345627 A346345 * A234232 A140968 A251496

Adjacent sequences:  A251368 A251369 A251370 * A251372 A251373 A251374

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified January 21 01:45 EST 2022. Contains 350473 sequences. (Running on oeis4.)