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A004439 Numbers that are not the sum of 2 distinct nonzero squares. 2
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 15, 16, 18, 19, 21, 22, 23, 24, 27, 28, 30, 31, 32, 33, 35, 36, 38, 39, 42, 43, 44, 46, 47, 48, 49, 51, 54, 55, 56, 57, 59, 60, 62, 63, 64, 66, 67, 69, 70, 71, 72, 75, 76, 77, 78, 79 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

F. Smarandache, Definitions solved and unsolved problems, conjectures and theorems in number theory and geometry, edited by M. Perez, Xiquan Publishing House, 2000.

LINKS

F. Smarandache, Definitions, Solved and Unsolved Problems, Conjectures, ...

Index entries for sequences related to sums of squares

CROSSREFS

Complement of A004431.

Sequence in context: A173552 A188010 A008320 * A050126 A013939 A004144

Adjacent sequences:  A004436 A004437 A004438 * A004440 A004441 A004442

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.