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A123069 Odd positive integers that are not the sum of four positive squares. +0
2
1, 3, 5, 9, 11, 17, 29, 41 (list; graph; listen)
OFFSET

1,2
REFERENCES

J. H. Conway, The Sensual (Quadratic) Form, M.A.A., 1997, p. 140.

CROSSREFS

Sequence in context: A007952 A094509 A120811 this_sequence A100456 A059819 A074986

Adjacent sequences: A123066 A123067 A123068 this_sequence A123070 A123071 A123072

KEYWORD

nonn,fini,full

AUTHOR

njas, Sep 27 2006

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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