id:A092191 - OEIS Search Results

Search: id:A092191

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Numbers n such that sum of n-th and (n+1)-th semiprimes is a semiprime.

+0
6

1, 2, 9, 12, 14, 15, 16, 18, 20, 23, 24, 26, 30, 32, 34, 35, 36, 38, 43, 44, 49, 50, 54, 55, 56, 57, 58, 61, 62, 63, 66, 67, 68, 69, 73, 75, 80, 84, 88, 91, 93, 98, 99, 100, 103, 107, 108, 110, 112, 114, 118, 119, 124, 125, 128, 133, 137, 138, 146, 147, 150, 151, 153 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`9 is a member because sum of 9-th and 10-th semiprimes, 25 and 26, is 51 which is a semiprime.`
	CROSSREFS	`Resulting semiprimes: A092192.` `Sequence in context: A041335 A042147 A090517 this_sequence A030376 A080520 A032372` `Adjacent sequences: A092188 A092189 A092190 this_sequence A092192 A092193 A092194`
	KEYWORD	`easy,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Feb 23 2004`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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