id:A156592 - OEIS Search Results

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Product p*q of two primes with q = 2*p + 1.

+0
3

10, 21, 55, 253, 1081, 1711, 3403, 5671, 13861, 15931, 25651, 34453, 60031, 64261, 73153, 108811, 114481, 126253, 158203, 171991, 258121, 351541, 371953, 392941, 482653, 518671, 703891, 822403, 853471, 869221, 933661, 1034641, 1104841 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = A005384(n)*A005385(n);` `subsequence of A068443.`
	CROSSREFS	`Adjacent sequences: A156589 A156590 A156591 this_sequence A156593 A156594 A156595` `Sequence in context: A042309 A048697 A090076 this_sequence A045973 A095679 A095192`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 10 2009`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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