A156388 Number of 6 X 6 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.

1, 76, 820, 1760, 1082, 2962, 13751, 12160, 3910, 19436, 56610, 37760, 17550, 43300, 137096, 128000, 38042, 50500, 285470, 313880, 112892, 121382, 508190, 388720, 151919, 250472, 575670, 857040, 449790, 329252, 1521948, 1421120, 310150, 520580

Offset

0,2

Links

Table of n, a(n) for n=0..33.

Crossrefs

Sequence in context: A136962 A324626 A137146 * A156396 A233365 A264627

Adjacent sequences: A156385 A156386 A156387 * A156389 A156390 A156391

Keyword

nonn

Author

R. H. Hardin, Feb 09 2009

Status

approved