id:A036304 - OEIS Search Results

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Composite numbers n such that digits of prime factors of n are either 1 or 4.

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121, 451, 1331, 1681, 4961, 14641, 18491, 45221, 48851, 54571, 68921, 125521, 158521, 161051, 168551, 182081, 203401, 452551, 455521, 467851, 485221, 497431, 537361, 590851, 600281, 758131, 1380731, 1686781, 1697851, 1743731, 1771561 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A036302-A036325.` `Sequence in context: A128608 A144719 A017282 this_sequence A052082 A062555 A017390` `Adjacent sequences: A036301 A036302 A036303 this_sequence A036305 A036306 A036307`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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