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A159369 Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 7 1
12, 19028, 2940768, 318767900, 10588659260, 167797693208, 1648419588640, 11596123050584, 63725276919564, 289494934894140, 1130345502845984, 3900985410505140, 12149739981772028, 34697504891442080, 91996839455813600 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,1
LINKS
CROSSREFS
Sequence in context: A340166 A125547 A159421 * A175882 A216874 A012736
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 11 2009
STATUS
approved

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Last modified June 25 01:31 EDT 2024. Contains 373691 sequences. (Running on oeis4.)