id:A158195 - OEIS Search Results

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Prime numbers such that sum of digits is even semiprime.

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13, 19, 31, 37, 59, 73, 103, 109, 127, 149, 163, 167, 181, 211, 239, 257, 271, 293, 307, 347, 383, 419, 433, 491, 499, 509, 523, 541, 563, 613, 617, 631, 653, 743, 761, 769, 787, 811, 859, 877, 941, 967, 1009, 1021, 1049, 1063, 1117, 1153, 1171, 1193, 1201 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Even semiprime = 2*prime.`
	EXAMPLE	`13(1+3=22), 19(1+9=25), 31(3+1=22), 37(3+7=25), 59(5+9=2*7)`
	CROSSREFS	`Cf. A000040, A100484.` `Sequence in context: A164318 A092738 A115093 this_sequence A040092 A079130 A167473` `Adjacent sequences: A158192 A158193 A158194 this_sequence A158196 A158197 A158198`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Mar 13 2009`
	EXTENSIONS	`257 added by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 15 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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