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 A157917 #3 Mar 30 2012 18:52:03 %S A157917 10,22,39,45,56,66,75,88,47,106,117,133,201,219,162,166,180,189,101, %T A157917 216,225,234,242,258,275,137,286,149,306,315,341,343,519,360,368,361, %U A157917 416,402,391,434,425,446,454,687,476,717,495,518,513,524,538,549,554,562,283,588 %N A157917 A decimation of the EKG sequence: A064413(10n+9). %C A157917 The average growth is roughly 10.5*n, and two streaks of subsequences growing roughly proportional to 15.6*n and 5.2*n appear also in the graph. %F A157917 a(n)=A064413(A017377(n)). %K A157917 nonn %O A157917 0,1 %A A157917 _Paul Curtz_, Mar 09 2009 %E A157917 Edited and extended by _R. J. Mathar_, Mar 15 2009