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A251520 Number of (n+1)X(4+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10 1
904734, 811863390, 727704325306, 652338909221254, 584773855532345166, 524207148511603961602, 469913480156252272754666, 421243168176488059719015278, 377613782427648058582852112694 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251524

LINKS

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

R. H. Hardin, Empirical recurrence of order 40

FORMULA

Empirical recurrence of order 40 (see link above)

EXAMPLE

Some solutions for n=1

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

..3..0..1..3..2....0..2..1..2..2....2..2..0..1..0....2..2..3..2..3

CROSSREFS

Sequence in context: A209208 A209209 A104847 * A250542 A251799 A348078

Adjacent sequences:  A251517 A251518 A251519 * A251521 A251522 A251523

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2014

STATUS

approved

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Last modified December 6 19:27 EST 2021. Contains 349567 sequences. (Running on oeis4.)