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Table of n, a(n) for n=1..53.
Eric Weisstein's World of Mathematics, Square Number.
Index entries for sequences related to sums of squares
Sequence in context: A095527 A095517 A025369 * A271309 A045178 A124471
Adjacent sequences: A025357 A025358 A025359 * A025361 A025362 A025363
David W. Wilson