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.
%I A182241 #10 Jun 02 2025 03:13:57 %S A182241 3,10,7,36,11,26,15,136,19,42,23,100,27,58,31,528,35,74,39,164,43,90, %T A182241 47,392,51,106,55,228,59,122,63,2080,67,138,71,292,75,154,79,648,83, %U A182241 170,87,356,91,186,95,1552,99 %N A182241 a(n) = A161151(2*n)/2. %F A182241 a(n) = A161151(2*n)/2 %F A182241 a((2*n-1)*2^p) = 2^(2*p+2)*n - 2*2^(2*p) + 2^p, p >= 0. %p A182241 nmax:=49: for p from 0 to ceil(simplify(log[2](nmax))) do for n from 1 to ceil(nmax/(p+2)) do a((2*n-1)*2^p) := 2^(2*p+2)*n - 2*2^(2*p) + 2^p od: od: seq(a(n), n=1..nmax); %Y A182241 Cf. A220466 %K A182241 nonn,easy %O A182241 1,1 %A A182241 _Johannes W. Meijer_, Dec 24 2012