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A097269 Numbers that are the sum of two nonzero squares but not the difference of two nonzero squares. +0
2
2, 10, 18, 26, 34, 50, 58, 74, 82, 90, 98, 106, 122, 130, 146, 162, 170, 178, 194, 202, 218, 226, 234, 242, 250, 274, 290, 298, 306, 314, 338, 346, 362, 370, 386, 394, 410, 442, 450, 458, 466, 482, 490, 514, 522, 530, 538, 554, 562, 578, 586, 610, 626, 634 (list; graph; listen)
OFFSET

1,1

COMMENT

Intersection of A000404 (sum of squares) and complement of A024352 (difference of squares).

LINKS

Eric Weisstein's World of Mathematics, Sum of Squares Function.

CROSSREFS

Cf. A000404, A024352, A097268-A097271.

Sequence in context: A069081 A126005 A017089 this_sequence A028413 A082969 A018227

Adjacent sequences: A097266 A097267 A097268 this_sequence A097270 A097271 A097272

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 19 2004

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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