A048997 Sum of digits in decimal expansion of 1/n up to the point where it repeats for the first time.

1, 5, 3, 7, 2, 7, 27, 8, 1, 1, 9, 11, 27, 27, 6, 13, 72, 5, 81, 5, 27, 9, 99, 11, 4, 27, 10, 30, 126, 3, 54, 11, 3, 72, 27, 9, 9, 81, 18, 7, 18, 27, 90, 11, 2, 99, 207, 13, 189, 2, 69, 28, 63, 14, 9, 35, 81, 126, 261, 7, 270, 54, 24, 19, 27, 6, 144, 73, 96, 27, 126, 12, 36, 9, 4

Offset

1,2

Links

Table of n, a(n) for n=1..75.

Index entries for sequences related to decimal expansion of 1/n

Example

1/1=1. -> 1; 1/2=.5 ->5; 1/3=.3333... -> 3; 1/4=.25 -> 7; 1/5=.2 ->2; 1/6=.1666... -> 7; 1/7=.142857... -> 27; etc.

Mathematica

Table[Total[Flatten[RealDigits[1/n][[1]]]], {n, 1, 75}] (* Jean-François Alcover, Mar 15 2011 *)

Crossrefs

Cf. A048962.

Sequence in context: A198877 A201752 A117126 * A331524 A096635 A021953

Adjacent sequences: A048994 A048995 A048996 * A048998 A048999 A049000

Keyword

nonn,base,easy,nice

Author

Deepak R. N (deepak_rama(AT)bigfoot.com)

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 17 2001

Status

approved