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 A090547 #12 Sep 24 2018 16:53:14 %S A090547 1,2,3,5,5,7,35,635,635,199,3841,3841,4979,2995,13561,22903,1691,5951, %T A090547 72697,72697,72697,172151,172151,1782371,1782371 %N A090547 Leading entries in triangle in A090548 and A113470. %C A090547 Different from A087308. %C A090547 In case there was more than one solution with minimum A090548(n), the one with minimum stride A090549(n) was selected to generate A090547(n) and A090549(n). - _R. J. Mathar_, Apr 28 2007 %F A090547 A090548(n)=a(n)+(n-1)*A090549(n). - _R. J. Mathar_, Apr 28 2007 %Y A090547 Cf. A087308, A090548, A090549, A113470. %K A090547 nonn %O A090547 1,2 %A A090547 _Amarnath Murthy_, Dec 09 2003 %E A090547 Corrected and extended by _R. J. Mathar_, Apr 28 2007 %E A090547 More terms from _David Wasserman_, Jan 08 2006, May 11 2007 %E A090547 Edited by _N. J. A. Sloane_ at the suggestion of _Andrew S. Plewe_, May 11 2007