id:A063464 - OEIS Search Results

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omega(n) = omega(n+2), where omega(n) is the number of distinct prime divisors of n.

+0
2

2, 3, 5, 7, 9, 10, 11, 12, 17, 18, 20, 22, 23, 24, 25, 26, 27, 29, 33, 34, 36, 38, 41, 44, 46, 47, 48, 50, 52, 54, 55, 56, 59, 63, 71, 72, 74, 75, 79, 80, 81, 85, 86, 91, 92, 93, 94, 96, 98, 101, 104, 106, 107, 115, 116, 117, 122, 125, 130, 133, 134, 137, 138, 141, 142 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) j=[]; for(n=1, 350, if(omega(n)==omega(n+2), j=concat(j, n))); j`
	CROSSREFS	`Adjacent sequences: A063461 A063462 A063463 this_sequence A063465 A063466 A063467` `Sequence in context: A102246 A089743 A080587 this_sequence A047489 A035061 A096738`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 26 2001`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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