A156460 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 14.

6, 96, 1912, 137096, 18106164, 4464765998, 1937140499056, 1809280459234368, 5083977766881391672

Offset

3,1

Links

Table of n, a(n) for n=3..11.

Crossrefs

Sequence in context: A001805 A139743 A361737 * A038094 A346184 A304646

Adjacent sequences: A156457 A156458 A156459 * A156461 A156462 A156463

Keyword

nonn

Author

R. H. Hardin Feb 09 2009

Status

approved