id:A133372 - OEIS Search Results

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Semiprimes expressible as the sum of (at least two) consecutive semiprimes in at least 1 way.

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10, 15, 25, 33, 39, 51, 58, 69, 77, 82, 85, 91, 93, 94, 95, 106, 115, 118, 122, 123, 133, 134, 142, 143, 146, 155, 158, 159, 161, 166, 177, 178, 185, 187, 201, 205, 209, 213, 215, 217, 219, 221, 226, 235, 237, 249, 253, 254, 262, 267, 274, 278, 291, 295, 298 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`This is to A067377 as A001358 is to A000040.`
	FORMULA	`A001358 INTERSECTION A135363.`
	EXAMPLE	`a(1) = 10 = 4 + 6 = 2 * 5.` `a(2) = 15 = 6 + 9 = 3 * 5.` `a(3) = 25 = 6 + 9 + 10 = 5^2.`
	CROSSREFS	`Cf. A001358, A067377, A135363.` `Sequence in context: A117847 A057990 A091022 this_sequence A100916 A001750 A029702` `Adjacent sequences: A133369 A133370 A133371 this_sequence A133373 A133374 A133375`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost2(AT)yahoo.com), Dec 21 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 13 2008`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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