id:A157191 - OEIS Search Results

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Indices of records in A157190: prime(a(n)) can be written in more ways as pq-p-q (p,q, prime) than any smaller prime.

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1, 2, 17, 20, 190, 357, 959, 4479, 10522, 16447, 21383, 22993, 37977, 53972, 129076, 205244, 440069, 745584, 830983, 918422, 1073653, 2309722, 2731757, 3833005, 4788328, 5025102, 5411333 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`A157191 = A000720 o A157190 ; A157190 = A000040 o A157191.`
	CROSSREFS	`Sequence in context: A107139 A042055 A075683 this_sequence A006029 A126961 A106622` `Adjacent sequences: A157188 A157189 A157190 this_sequence A157192 A157193 A157194`
	KEYWORD	`nonn`
	AUTHOR	`M. F. Hasler (MHasler(AT)univ-ag.fr), Mar 16 2009`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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