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A156382 Number of 4X4 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n. 0
1, 10, 18, 10, 11, 42, 42, 10, 18, 68, 60, 42, 20, 68, 96, 42, 11, 84, 114, 68, 60, 130, 84, 42, 42, 142, 228, 158, 34, 210, 240, 52, 18, 174, 240, 210, 127, 110, 252, 130, 60, 276, 318, 142, 84, 390, 192, 84, 20, 198, 474, 324, 134, 180, 486, 174, 96, 286, 198, 300, 174 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..60.

CROSSREFS

Sequence in context: A002744 A320930 A337325 * A214894 A084487 A055567

Adjacent sequences:  A156379 A156380 A156381 * A156383 A156384 A156385

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 09 2009

STATUS

approved

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Last modified November 27 18:22 EST 2020. Contains 338683 sequences. (Running on oeis4.)