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A063950 Of course every number is the sum of 4 squares; these are the numbers not of the form 4m+2 such that the first square can be taken to be any positive square < n. +0
2
0, 1, 3, 4, 5, 7, 9, 12, 13, 15, 17, 20, 21, 25, 28, 33, 36, 41, 45, 49, 52, 57, 60, 65, 68, 73, 81, 84, 89, 97, 100, 105, 129, 132, 145, 153, 164, 169, 177, 180, 185, 196, 201, 209, 217, 225, 228, 257, 260, 273, 292, 297, 305, 313, 324, 329, 345, 353, 356, 385, 388, 420, 425, 433, 441, 481, 513, 516, 561, 580, 585, 609, 612, 676, 689, 697, 708, 713, 740, 804, 817, 825, 836, 868, 900, 945, 1028, 1092, 1188, 1220, 1252, 1316, 1380, 1412, 1540, 1700, 1732, 1764, 1924, 2052, 2244, 2340, 2436, 2756, 2788, 2852, 3268, 3300, 3780 (list; graph; listen)
OFFSET

1,3

REFERENCES

J. H. Conway, personal communication, Aug 27, 2001.

CROSSREFS

Cf. A063949-A063954.

Sequence in context: A049646 A033556 A032507 this_sequence A010420 A035260 A035249

Adjacent sequences: A063947 A063948 A063949 this_sequence A063951 A063952 A063953

KEYWORD

nonn,easy,nice,fini,full

AUTHOR

njas, Sep 04 2001

EXTENSIONS

385 added by T. D. Noe (noe(AT)sspectra.com), Apr 05 2007

page 1

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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