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 A264174 #4 Nov 06 2015 17:13:15 %S A264174 1,10,86,782,7571,78726,882997,10657118,137977980,1910131680, %T A264174 28178987795,441555002430,7326966011380,128386409972224, %U A264174 2369404379818067,45945570232645676,934057289766619391,19867567809865839562,441307130768553551181,10218971845916640741804 %N A264174 Number of permutations of [n] with exactly one occurrence of the consecutive pattern 1324. %H A264174 Alois P. Heinz, <a href="/A264174/b264174.txt">Table of n, a(n) for n = 4..200</a> %e A264174 a(4) = 1: 1324. %e A264174 a(5) = 10: 12435, 13245, 13254, 14253, 14352, 21435, 24351, 31425, 41325, 51324. %Y A264174 Column k=1 of A264173. %K A264174 nonn %O A264174 4,2 %A A264174 _Alois P. Heinz_, Nov 06 2015