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 A257044 #7 Apr 22 2015 16:26:44 %S A257044 17,11924,16229,17177,22784,57074,67304,114494,115979,126377,132632, %T A257044 134249,147899,156914,157646,170537,170957,180284,180329,194837, %U A257044 196664,210209,242819,259016,351812,358109,361244,405509 %N A257044 a(n) = (A242804(n)-9)/12. %C A257044 For first 8000 terms, the least difference is 18 = a(716)-a(715) = 63358217-63358199. %H A257044 Zak Seidov, <a href="/A257044/b257044.txt">Table of n, a(n) for n = 1..1000</a> %Y A257044 Cf. A242804. %K A257044 nonn %O A257044 1,1 %A A257044 _Zak Seidov_, Apr 15 2015