id:A036303 - OEIS Search Results

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Composite numbers n such that digits of prime factors of n are either 1 or 3.

+0
3

9, 27, 33, 39, 81, 93, 99, 117, 121, 143, 169, 243, 279, 297, 339, 341, 351, 363, 393, 403, 429, 507, 729, 837, 891, 933, 939, 961, 993, 1017, 1023, 1053, 1089, 1179, 1209, 1243, 1287, 1331, 1441, 1469, 1521, 1573, 1703, 1859, 2187, 2197, 2511, 2673, 2799 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A003597, A036302-A036325.` `Sequence in context: A115148 A022701 A108107 this_sequence A116455 A103753 A103965` `Adjacent sequences: A036300 A036301 A036302 this_sequence A036304 A036305 A036306`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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