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A156416 Number of 14 X 14 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n. 0
1, 6512, 4086600, 509911008, 18944759304, 266388662656, 1840450801838, 10754086795840, 75157230205402, 399699792848864, 1397876167796318, 4499416656998240, 18657442342135966, 66490911199244672, 164256548772296153 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

CROSSREFS

Sequence in context: A049529 A284102 A251447 * A156418 A258521 A068270

Adjacent sequences:  A156413 A156414 A156415 * A156417 A156418 A156419

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 09 2009

STATUS

approved

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Last modified January 19 21:47 EST 2020. Contains 331066 sequences. (Running on oeis4.)