id:A115670 - OEIS Search Results

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Semiprimes (A001358) whose digit reversal is prime.

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14, 34, 35, 38, 74, 91, 95, 106, 118, 119, 133, 134, 142, 145, 146, 166, 194, 301, 305, 334, 346, 358, 361, 362, 365, 371, 377, 382, 386, 391, 395, 703, 706, 713, 721, 731, 745, 746, 749, 755, 758, 763, 778, 779, 785, 791, 793, 799, 901, 905, 914, 917, 922 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`35=5*7 is semiprime and 53 is prime.`
	CROSSREFS	`Cf. A001358, A085778.` `Sequence in context: A018949 A007365 A065933 this_sequence A112878 A085777 A072566` `Adjacent sequences: A115667 A115668 A115669 this_sequence A115671 A115672 A115673`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006`

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

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