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 A038653 #11 Mar 18 2020 02:58:23 %S A038653 19,91,117,208,335,504,721,992,1323,1512,1657,1720,2189,2368,2736, %T A038653 3169,3367,4088,4563,4905,5402,5824,6851,7057,7992,8911,9234,9253, %U A038653 10432,10640,12152,12159,12215,12691,13816,15500,15561,15617,17568,18954 %N A038653 Gaps of 7 in sequence A038593 (lower terms). %H A038653 Jinyuan Wang, <a href="/A038653/b038653.txt">Table of n, a(n) for n = 1..1000</a> %Y A038653 Cf. A038593, A038654. %K A038653 nonn %O A038653 1,1 %A A038653 _Jeff Burch_ %E A038653 Offset changed to 1 by and one term corrected by _Jinyuan Wang_, Mar 16 2020