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A036313 Composite numbers n such that digits of prime factors of n are either 2 or 9. 1
4, 8, 16, 32, 58, 64, 116, 128, 232, 256, 458, 464, 512, 841, 916, 928, 1024, 1682, 1832, 1856, 1858, 2048, 3364, 3664, 3712, 3716, 4096, 5998, 6641, 6728, 7328, 7424, 7432, 8192, 11996, 13282, 13456, 14656, 14848, 14864, 16384, 19858, 23992, 24389 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A036302-A036325.

Sequence in context: A003199 A189925 A007096 * A121986 A172042 A145108

Adjacent sequences:  A036310 A036311 A036312 * A036314 A036315 A036316

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.

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Last modified February 15 13:35 EST 2012. Contains 205802 sequences.