id:A085711 - OEIS Search Results

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Numbers n such that sopfr(n) is a semiprime.

+0
1

4, 8, 9, 14, 20, 21, 24, 25, 26, 27, 30, 32, 33, 36, 38, 44, 46, 49, 57, 62, 68, 69, 70, 74, 84, 85, 93, 94, 100, 102, 105, 106, 112, 116, 120, 121, 124, 125, 126, 128, 129, 133, 134, 135, 144, 145, 150, 152, 160, 162, 166, 169, 171, 174, 177, 178, 180, 182, 188 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`19770 = 235659 is a term because 2+3+5+659 = 669 = 3223.`
	CROSSREFS	`Cf. A001414.` `Sequence in context: A107747 A121763 A110087 this_sequence A122785 A137055 A036349` `Adjacent sequences: A085708 A085709 A085710 this_sequence A085712 A085713 A085714`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 19 2003`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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