id:A146295 - OEIS Search Results

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Integers which are not the sum of a 4-almost prime and a prime.

+0
4

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 24, 25, 28, 30, 32, 34, 36, 40, 44, 46, 48, 50, 52, 54, 60, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 96, 108, 114, 116, 120, 126, 130, 132, 136, 144, 150, 156, 162, 168, 174, 180, 204, 210, 216, 240, 246, 258 (list; graph; listen)

	OFFSET	`2,1`
	COMMENT	`Largest term is 60060 (see b-file). No more terms < 10^8. Conjectured to be complete.`
	LINKS	`Donovan Johnson, Table of n, a(n) for n=2..196`
	EXAMPLE	`20 is in this sequence because no 4-almost prime and a prime sum to 20. 21 is not in this sequence because the sum of 16 (4-almost prime) and 5 (prime) is 21.`
	CROSSREFS	`Cf. A000040, A014613, A130588, A146296, A146297.` `Sequence in context: A164710 A098452 A088382 this_sequence A123719 A113221 A113219` `Adjacent sequences: A146292 A146293 A146294 this_sequence A146296 A146297 A146298`
	KEYWORD	`fini,nonn`
	AUTHOR	`Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 05 2008`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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