A025365 Numbers that are the sum of 4 nonzero squares in exactly 9 ways.

162, 178, 207, 220, 223, 225, 226, 231, 242, 243, 253, 265, 266, 267, 271, 278, 283, 286, 287, 291, 309, 314, 316, 331, 334, 337, 349, 359, 361, 377, 380, 413, 452, 491, 509, 524, 569, 648, 712, 880, 904, 968, 1064, 1112, 1144, 1256, 1264, 1336, 1520, 1808, 2096

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..91

Index entries for sequences related to sums of squares

Formula

{n: A025428(n) = 9}. - R. J. Mathar, Jun 15 2018

Crossrefs

Sequence in context: A118470 A081724 A025374 * A045227 A066476 A259220

Adjacent sequences: A025362 A025363 A025364 * A025366 A025367 A025368

Keyword

nonn

Author

David W. Wilson

Status

approved