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A170827
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Sum of digits after the decimal point in the decimal expansion of (3/2)^n.
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4
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0, 5, 7, 15, 13, 29, 25, 37, 38, 43, 42, 67, 60, 67, 60, 85, 73, 77, 71, 79, 95, 107, 106, 100, 95, 120, 95, 137, 143, 146, 138, 140, 147, 166, 172, 163, 172, 177, 180, 193, 158, 174, 171, 184, 177, 188, 188, 223, 212, 241, 213, 198, 243, 229, 236, 245, 278, 281, 305, 304
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 0..1000
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EXAMPLE
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1.0
1.5
2.25
3.375
5.0625
7.59375
11.390625
17.0859375
25.62890625
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MATHEMATICA
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td[n_]:=Module[{rd=RealDigits[(3/2)^n]}, Total[Drop[rd[[1]], rd[[2]]]]]; Array[td, 60, 0] (* From Harvey P. Dale, Dec 13 2011 *)
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CROSSREFS
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Cf. A002379, A170828.
Sequence in context: A030795 A043099 A030755 * A081965 A094144 A031069
Adjacent sequences: A170824 A170825 A170826 * A170828 A170829 A170830
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KEYWORD
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nonn,base
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AUTHOR
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Michel Lagneau, Dec 28 2009
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EXTENSIONS
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Edited by N. J. A. Sloane, Dec 28 2009
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STATUS
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approved
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