A156402 Number of 10 X 10 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.

1, 9496, 8372754, 805036704, 12767337844, 45965640312, 139921844820, 2077266004944, 10095521906313, 17074878770018, 39015704748255, 356237015034240, 976681206480324, 1011861877473980, 1809280459234368

Offset

0,2

Links

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

Crossrefs

Sequence in context: A204722 A204961 A237104 * A139676 A291209 A235424

Adjacent sequences: A156399 A156400 A156401 * A156403 A156404 A156405

Keyword

nonn

Author

R. H. Hardin, Feb 09 2009

Status

approved