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A004195 The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is D. +0
3
1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 22, 23, 25, 26, 27, 31, 33, 34, 37, 38, 42, 43, 47, 55, 58, 67, 73, 82, 97, 103 (list; graph; listen)
OFFSET

1,2

LINKS

Index entries for sequences related to sums of squares

CROSSREFS

Cf. A004196, A004441.

Sequence in context: A059557 A048103 A092418 this_sequence A083347 A137217 A023705

Adjacent sequences: A004192 A004193 A004194 this_sequence A004196 A004197 A004198

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dan Hoey (Hoey(AT)aic.nrl.navy.mil)

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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