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A251776 Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum 3 or 6 and every diagonal and antidiagonal sum not 3 or 6 1
12302, 132886, 748002, 3849230, 39849294, 247384810, 1341002006, 13904412166, 89606678130, 502599987230, 5191270921942, 34184978268610, 195126150915998, 2011358635641966, 13392105172319778, 77114269192360262, 794082619711670574 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A251779

LINKS

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

R. H. Hardin, Empirical recurrence of order 85

FORMULA

Empirical recurrence of order 85 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A205624 A205359 A061745 * A045084 A250856 A242716

Adjacent sequences:  A251773 A251774 A251775 * A251777 A251778 A251779

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 08 2014

STATUS

approved

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Last modified October 21 06:01 EDT 2019. Contains 328291 sequences. (Running on oeis4.)