id:A073130 - OEIS Search Results

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a(n)=GCD[p[w+1]-p[w],p[p[w+1]]-p[p[w]]],here p(j) is the j-th prime.

+0
3

1, 2, 2, 2, 2, 2, 2, 4, 2, 2, 6, 2, 2, 4, 6, 6, 2, 6, 2, 2, 2, 2, 6, 8, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 2, 4, 2, 2, 2, 6, 6, 6, 2, 2, 4, 2, 2, 2, 4, 2, 2, 2, 6, 2, 2, 2, 6, 4, 6, 6, 2, 6, 4, 2, 2, 2, 2, 2, 2, 6, 2, 6, 4, 2, 2, 4, 4, 2, 4, 2, 2, 2, 12, 2, 6, 2, 2, 2, 6, 2 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Table[GCD[Prime[w+1]-Prime[w], Prime[Prime[w+1]]-Prime[Prime[w]]], {w, 1, 256}]`
	CROSSREFS	`Cf. A073131, A073132.` `Adjacent sequences: A073127 A073128 A073129 this_sequence A073131 A073132 A073133` `Sequence in context: A100007 A104369 A051702 this_sequence A064136 A143526 A072924`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 16 2002`

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

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