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 A090848 #3 Mar 30 2012 18:36:39 %S A090848 1,3,6,8,11,13,16,19,21,24,26,29,32,34,37,40,42,45,47,50,53,55,58,60, %T A090848 63,66,68,71,73,76,79,81,84,86,89,92,94,97,99,102,105,107,110,112,115, %U A090848 118,120,123,126,128,131,133,136,139,141,144,146,149,152,154,157,159,162 %N A090848 Positions of the terms of A090847^4 in A090847, where A090847 is equal to the union of the self-convolutions A090847^2 and A090847^4 when ordered by size. %C A090848 Given A090847(m)=A090847^4(n), then what is the limit m/n as n grows? Example: at n=2000, m/n=3202/2000=2.616, at n=3000, m/n=7849/3000=2.6163... %e A090848 a(4)=11 since A090847^4(4)=A090847(11)=117, where %e A090848 A090847={1,1,2,4,5,12,14,22,44,50,88,117,...} and %e A090848 A090847^4={1,4,14,44,117,308,740,1700,3822,...}. %Y A090848 Cf. A090845, A090847. %K A090848 nonn %O A090848 0,2 %A A090848 _Paul D. Hanna_, Dec 09 2003