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A028237 Numbers that are not the sum of 2 or more distinct positive squares. 1
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 15, 16, 18, 19, 22, 23, 24, 27, 28, 31, 32, 33, 36, 43, 44, 47, 48, 60, 64, 67, 72, 76, 92, 96, 108, 112, 128 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

J. D. E. Konhauser et al., Which Way Did the Bicycle Go?, MAA 1996, p. 152.

LINKS

Index entries for sequences related to sums of squares

CROSSREFS

Sequence in context: A050118 A081754 A004436 * A194463 A140467 A103677

Adjacent sequences:  A028234 A028235 A028236 * A028238 A028239 A028240

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.