id:A116920 - OEIS Search Results

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a(0)=1. a(n) = A020639(a(n-1)) + n.

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1, 2, 4, 5, 9, 8, 8, 9, 11, 20, 12, 13, 25, 18, 16, 17, 33, 20, 20, 21, 23, 44, 24, 25, 29, 54, 28, 29, 57, 32, 32, 33, 35, 38, 36, 37, 73, 110, 40, 41, 81, 44, 44, 45, 47, 92, 48, 49, 55, 54, 52, 53, 105, 56, 56, 57, 59, 116, 60, 61, 121, 72, 64, 65, 69, 68, 68, 69, 71, 140, 72 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`a[0] := 1; a[1] := 2; a[n_] := FactorInteger[a[n - 1]][[1]][[1]] + n; Table[a[n], {n, 0, 80}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Mar 27 2006`
	CROSSREFS	`Cf. A020639, A116919.` `Sequence in context: A109534 A011341 A116477 this_sequence A116919 A111490 A079784` `Adjacent sequences: A116917 A116918 A116919 this_sequence A116921 A116922 A116923`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet (qq-quet(AT)mindspring.com), Feb 26 2006`
	EXTENSIONS	`More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Mar 27 2006`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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