id:A118104 - OEIS Search Results

Search: id:A118104

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Primes in A118103.

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2, 47, 67, 173, 229, 257, 877, 1009, 1031, 1097, 1163, 1669, 1721, 1747, 1877, 2731, 2791, 2851, 2971, 3001, 3061, 3121, 3181, 3271, 3301, 3331, 3361, 3391, 3407, 3583, 3631, 3727, 3823, 3919, 3967, 4079, 4111, 4127, 4159, 4597, 4733, 4801, 4903, 4937 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Primes are relatively scarce in A118103 because there is often a common factor between a(n) and the difference a(n)-a(n-1); if this same difference applies to the next term, it will also be composite.`
	CROSSREFS	`Cf. A118103, A118105.` `Sequence in context: A141579 A107205 A139839 this_sequence A107211 A069548 A065044` `Adjacent sequences: A118101 A118102 A118103 this_sequence A118105 A118106 A118107`
	KEYWORD	`nonn`
	AUTHOR	`Frank Adams-Watters (FrankTAW(AT)Netscape.net), Apr 12 2006`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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