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A156461 Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 14. 0
48, 36, 2952, 9216, 881382, 5913728, 977782336, 18737188768, 6632080108308, 286675559366712, 164256548772296153 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

Table of n, a(n) for n=4..14.

CROSSREFS

Sequence in context: A085517 A299525 A033694 * A347557 A300143 A187940

Adjacent sequences:  A156458 A156459 A156460 * A156462 A156463 A156464

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 09 2009

STATUS

approved

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Last modified December 9 09:37 EST 2021. Contains 349627 sequences. (Running on oeis4.)