OFFSET
0,1
COMMENTS
Many of terms in this sequence are that same as A186219(n+2) but not all.
REFERENCES
Mohammad K. Azarian, Geometric Series, Problem 329, Mathematics and Computer Education, Vol. 30, No. 1, Winter 1996, p. 101. Solution published in Vol. 31, No. 2, Spring 1997, pp. 196-197.
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..5000
Eric Weisstein's World of Mathematics, Geometric Series
EXAMPLE
a(1) = 5 because 1 + 2/3 + (2/3)^2 + (2/3)^3 + (2/3)^4 > 3 - 1/2.
MATHEMATICA
lst = {}; n = s = 0; Do[s = s + (2/3)^k; If[s > 3 - 1/2^n, AppendTo[lst, k + 1]; n++], {k, 0, 112}]; lst
CROSSREFS
KEYWORD
nonn
AUTHOR
Arkadiusz Wesolowski, Dec 25 2012
STATUS
approved