id:A107130 - OEIS Search Results

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Replace the odd digits d of n by (d-1)/2!.

+0
2

0, 0, 2, 1, 4, 2, 6, 3, 8, 4, 0, 0, 2, 1, 4, 2, 6, 3, 8, 4, 20, 20, 22, 21, 24, 22, 26, 23, 28, 24, 10, 10, 12, 11, 14, 12, 16, 13, 18, 14, 40, 40, 42, 41, 44, 42, 46, 43, 48, 44, 20, 20, 22, 21, 24, 22, 26, 23, 28, 24, 60, 60, 62, 61, 64, 62, 66, 63, 68, 64, 30, 30, 32, 31, 34, 32 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Differs from A065423 starting with a(11)=10: A065423(11)=10.`
	MATHEMATICA	`a[n_]:=FromDigits[Map[If[Mod[ #, 2]==1, (#-1)/2, # ]&, IntegerDigits[n]]]; Table[a[n], {n, 0, 100}]`
	CROSSREFS	`Cf. A065423.` `Sequence in context: A099311 A130742 A130107 this_sequence A065423 A008733 A154280` `Adjacent sequences: A107127 A107128 A107129 this_sequence A107131 A107132 A107133`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), May 12 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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