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A121176 Union of {8, 9, 18}, S, 2S and 4S, where S = squarefree numbers (A005117). +0
3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 65, 66, 67, 68, 69, 70, 71, 73, 74, 76, 77, 78, 79, 82, 83, 84, 85, 86, 87, 88, 89, 91, 92 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A121684.

Sequence in context: A046100 A023757 A115105 this_sequence A028261 A119675 A037144

Adjacent sequences: A121173 A121174 A121175 this_sequence A121177 A121178 A121179

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 13 2006

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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