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A251826 Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not 3 or 6 and every diagonal and antidiagonal sum 3 or 6 1
61058, 284506, 2395590, 10655426, 101716526, 951770218, 4235688278, 41895955226, 402976069458, 1784010963858, 17962700990614, 174824051887178, 771185252647206, 7819035896127962, 76514852881326606, 336773599687119730 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A251829
LINKS
FORMULA
Empirical recurrence of order 63 (see link above)
EXAMPLE
Some solutions for n=1
..1..0..0..1..1..0..1....2..2..0..2..2..0..2....0..2..2..1..1..0..0
..3..3..3..3..3..2..0....3..3..1..3..3..1..3....0..3..2..2..1..1..3
..3..2..2..3..3..2..0....3..0..1..3..3..1..0....1..0..3..2..2..1..1
CROSSREFS
Sequence in context: A234767 A186061 A237305 * A237461 A215599 A330508
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved

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Last modified June 22 23:47 EDT 2024. Contains 373629 sequences. (Running on oeis4.)