id:A086005 - OEIS Search Results

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Semiprimes sandwiched between semiprimes.

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34, 86, 94, 122, 142, 202, 214, 218, 302, 394, 446, 634, 698, 842, 922, 1042, 1138, 1262, 1346, 1402, 1642, 1762, 1838, 1894, 1942, 1982, 2102, 2182, 2218, 2306, 2362, 2434, 2462, 2518, 2642, 2722, 2734, 3098, 3386, 3602, 3694, 3866, 3902 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = 2*A086006(n).`
	LINKS	`Eric Weisstein's World of Mathematics, Semiprime`
	EXAMPLE	`94=472: 94-1=331 and 94+1=5*19, therefore 94 is a term.`
	CROSSREFS	`Cf. A001358.` `Sequence in context: A036199 A092223 A046764 this_sequence A140602 A067977 A044221` `Adjacent sequences: A086002 A086003 A086004 this_sequence A086006 A086007 A086008`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 07 2003`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

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