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A251979 Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and column sum not 0 1 2 7 8 or 9 and every diagonal and antidiagonal sum 0 1 2 7 8 or 9 1
138390, 2703512, 26230040, 153525420, 1175144274, 11222619848, 98312125934, 803257677008, 6700124781216, 57248679159724, 486477779815126, 4101737620836366, 34626585291394000, 293065570188616222 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A251983

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A025311 A081429 A236662 * A224586 A230032 A190386

Adjacent sequences:  A251976 A251977 A251978 * A251980 A251981 A251982

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 12 2014

STATUS

approved

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Last modified November 16 22:05 EST 2019. Contains 329208 sequences. (Running on oeis4.)