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A159218 Number of n X n arrays of squares of integers with every 3X3 subblock summing to 17 0
3987, 41067, 223475, 867339, 4371779, 16945443, 57746907, 263236635, 1012743923, 3636595539 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..12.

CROSSREFS

Sequence in context: A186799 A203190 A229382 * A159216 A236492 A236487

Adjacent sequences:  A159215 A159216 A159217 * A159219 A159220 A159221

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 06 2009

STATUS

approved

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Last modified June 25 15:41 EDT 2022. Contains 354851 sequences. (Running on oeis4.)