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A252333 Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8 1
72899, 89296, 503439, 1835652, 13814611, 76990025, 287805377, 2229362249, 12829378336, 47542221588, 366440142125, 2116313980125, 7855741384535, 60610656095807, 349146205784944, 1296289296487504, 10025198729031327 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A252334

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A260053 A237555 A186047 * A161730 A071145 A254582

Adjacent sequences:  A252330 A252331 A252332 * A252334 A252335 A252336

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 16 2014

STATUS

approved

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Last modified April 11 06:40 EDT 2021. Contains 342886 sequences. (Running on oeis4.)