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A107130 Replace each odd digit d of n with (d-1)/2!. 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; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Differs from A065423 starting with a(11)=10: A065423(11)=10.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..5000

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 * A194747 A065423 A239242

Adjacent sequences:  A107127 A107128 A107129 * A107131 A107132 A107133

KEYWORD

nonn,base

AUTHOR

Zak Seidov, May 12 2005

EXTENSIONS

Edited by Charles R Greathouse IV, Aug 03 2010

STATUS

approved

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Last modified January 26 01:48 EST 2020. Contains 331270 sequences. (Running on oeis4.)