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A034044 Numbers that are primitively but not imprimitively represented by x^2+y^2+z^2. 5
1, 2, 3, 5, 6, 10, 11, 13, 14, 17, 19, 21, 22, 26, 29, 30, 33, 34, 35, 37, 38, 41, 42, 43, 46, 51, 53, 57, 58, 59, 61, 62, 65, 66, 67, 69, 70, 73, 74, 77, 78, 82, 83, 85, 86, 89, 91, 93, 94, 97, 101, 102, 105, 106, 107, 109, 110, 113, 114, 115, 118, 122, 123 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

FORMULA

Union of A034043 and A034044 is A000378. Union of A034044 and A034045 is A034047. Numbers that are in A000378 and squarefree. - Ray Chandler, Sep 05 2004

CROSSREFS

Cf. A000378, A004215, A047449, A034043-A034047.

Sequence in context: A261088 A303431 A317709 * A047447 A094739 A302494

Adjacent sequences:  A034041 A034042 A034043 * A034045 A034046 A034047

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 26 11:59 EDT 2021. Contains 348267 sequences. (Running on oeis4.)