id:A118695 - OEIS Search Results

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Semiprimes which are divisible by their digital root.

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4, 6, 9, 10, 21, 38, 39, 46, 55, 57, 74, 82, 91, 93, 95, 111, 118, 129, 133, 145, 146, 183, 185, 201, 217, 218, 219, 226, 235, 237, 253, 254, 259, 262, 291, 309, 326, 327, 334, 343, 361, 362, 365, 381, 398, 415, 417, 451, 453, 471, 489, 505, 511, 514, 542, 543 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`95 is in the sequence because (1) it is a semiprime, (2) the digital root is 5 and (3) 95 is divisible by 5.`
	CROSSREFS	`Cf. A001358.` `Sequence in context: A071964 A135257 A118697 this_sequence A118693 A084668 A085842` `Adjacent sequences: A118692 A118693 A118694 this_sequence A118696 A118697 A118698`
	KEYWORD	`base,nonn`
	AUTHOR	`Luc Stevens (lms022(AT)yahoo.com), May 20 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

AT&T Labs Research