id:A083550 - OEIS Search Results

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Product of 2 consecutive prime differences of two successive terms of A001223.

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2, 4, 8, 8, 8, 8, 8, 24, 12, 12, 24, 8, 8, 24, 36, 12, 12, 24, 8, 12, 24, 24, 48, 32, 8, 8, 8, 8, 56, 56, 24, 12, 20, 20, 12, 36, 24, 24, 36, 12, 20, 20, 8, 8, 24, 144, 48, 8, 8, 24, 12, 20, 60, 36, 36, 12, 12, 24, 8, 20, 140, 56, 8, 8, 56, 84, 60, 20, 8, 24, 48, 48, 36, 24, 24, 48 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=A001223[n].A001223[n+1]=[p(n+1)-p(n)].[p(n+2)-p(n+1)]`
	MATHEMATICA	`f[x_] := Prime[x+1]-Prime[x] Table[f[w+1]*f[w], {w, 1, 128}]`
	CROSSREFS	`Cf. A001223, A083538-A083555, A057467.` `Sequence in context: A113419 A133007 A141532 this_sequence A160161 A129279 A008496` `Adjacent sequences: A083547 A083548 A083549 this_sequence A083551 A083552 A083553`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), May 22 2003`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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