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 A159095 #4 Feb 16 2025 08:33:10
%S A159095 1,37,895,18251,343794,6247342,112133533,2016191343,36643491669,
%T A159095 677335842892
%N A159095 Number of permutations of 1..n containing the relative rank sequence { 134625 } at any spacing.
%C A159095 Same series for 526431 251346 643152 463251 314526 152364 625413
%H A159095 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PermutationPattern.html">Permutation Pattern</a>
%Y A159095 A056986 A158005 A158423
%K A159095 nonn
%O A159095 6,2
%A A159095 _R. H. Hardin_ Apr 05 2009