A099973 Write Euler's constant gamma as a binary fraction; read this from left to right and whenever a 1 appears, note the integer formed by reading leftwards from that 1.

1, 9, 73, 201, 457, 969, 9161, 140233, 402377, 2499529, 6693833, 15082441, 31859657, 65414089, 132522953, 1206264777, 3353748425, 11943683017, 29123552201, 63483290569, 132202767305, 269641720777, 819397534665

Offset

0,2

Links

Table of n, a(n) for n=0..22.

Example

gamma = 0.577215664901532860606512090082402431042159335939923598805... = 0.1001001111000100011001111110001101111101101100001100011110100100110100011011... in binary.

Mathematica

d = 100; l = First[RealDigits[N[EulerGamma, d], 2]]; Do[m = Take[l, n]; k = Length[m]; If[m[[k]] == 1, Print[FromDigits[Reverse[m], 2]]], {n, 1, d}] (* Ryan Propper, Aug 18 2005 *)

Crossrefs

Cf. A001620, A099969, A099970, A099971, A099972, A099974.

Sequence in context: A133672 A043079 A367697 * A091986 A096129 A365304

Adjacent sequences: A099970 A099971 A099972 * A099974 A099975 A099976

Keyword

nonn,easy

Author

N. J. A. Sloane, Nov 13, 2004, based on correspondence from Artur Jasinski, Mar 25 2003

Extensions

More terms from Ryan Propper, Aug 18 2005

Status

approved