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Search: id:A034022
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A034022 Numbers that are primitively or imprimitively represented by x^2+xy+y^2, but not both. +0
1
0, 1, 3, 4, 7, 9, 12, 13, 16, 19, 21, 25, 27, 28, 31, 36, 37, 39, 43, 48, 52, 57, 61, 63, 64, 67, 73, 75, 76, 79, 81, 84, 91, 93, 97, 100, 103, 108, 109, 111, 112, 117, 121, 124, 127, 129, 133, 139, 144, 148, 151, 156, 157, 163, 171, 172, 175, 181, 183, 189, 192, 193 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Cf. A003136, A045611, A045897.

Sequence in context: A060428 A035238 A003136 this_sequence A070992 A060142 A049844

Adjacent sequences: A034019 A034020 A034021 this_sequence A034023 A034024 A034025

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 29 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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