cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A191682 Twice A113473.

This page as a plain text file.
%I A191682 #25 Jul 31 2021 03:35:19
%S A191682 2,4,4,6,6,6,6,8,8,8,8,8,8,8,8,10,10,10,10,10,10,10,10,10,10,10,10,10,
%T A191682 10,10,10
%N A191682 Twice A113473.
%C A191682 Arises in a renewal problem. Suppose X(1), X(2), ... are independent and identically distributed random variables with P(X = 1) = P(X = 2) = 0.5, and let N(n) denote the first value of k such that X(1)*X(2)*...*X(k) > x. Then a(n) gives the expected value of N(n), n = 1, 2, 3, ...
%Y A191682 Cf. A113473.
%K A191682 nonn,easy,less
%O A191682 1,1
%A A191682 _Edward Omey_, Jun 11 2011