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

Author

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

Keywords

• nonn
• base
• easy
• nice

Examples

			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.
		

Links

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

Crossrefs

Cf. A048962.

Programs

Mathematica

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

Extensions

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