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A086096 Semiprimes with a semiprime number of 1's in their binary representation. +0
2
15, 39, 46, 51, 57, 58, 77, 85, 86, 95, 106, 111, 119, 123, 141, 142, 159, 166, 169, 177, 178, 183, 187, 201, 202, 209, 215, 219, 221, 226, 235, 237, 249, 267, 278, 287, 291, 298, 303, 305, 323, 326, 329, 335, 365, 371, 377, 393, 394, 407, 411, 413, 417, 427 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The sixth semiprime = 15 = '1111' with four 1's, so 15 is a term.

CROSSREFS

Cf. A001358, A000120, A086097.

Sequence in context: A051461 A039605 A032654 this_sequence A055131 A121051 A139042

Adjacent sequences: A086093 A086094 A086095 this_sequence A086097 A086098 A086099

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 09 2003

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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