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 A244562 #10 Jul 12 2014 16:31:17 %S A244562 78557,2191531,2510177,2576089,7134623,7696009,8184977,10275229, %T A244562 10391933,11201161,12151397,12384413,12756019,13065289,13085029, %U A244562 15168739,16391273,18140153,18156631,19436611,19558853,20312899,20778931,21610427 %N A244562 Odd integers n such that for every integer k>0, n*2^k+1 has a divisor in the set { 3, 5, 7, 13, 19, 37, 73 }. %C A244562 For n > 144 a(n) = a(n-144) + 140100870, the first 144 values are in the table. %H A244562 Pierre CAMI, <a href="/A244562/b244562.txt">Table of n, a(n) for n = 1..144</a> %F A244562 For n > 144 a(n) = a(n-144) + 140100870. %Y A244562 Cf. A076336, A244071, A244561. %K A244562 nonn %O A244562 1,1 %A A244562 _Pierre CAMI_, Jun 30 2014