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 A221181 #9 Nov 07 2020 01:05:11 %S A221181 0,2,3,8,13,26,39,41,47,82,85,376,402,1190,1193,1261,1353,1425,1426, %T A221181 2217,3840,3842,3846,4129,4131,5922,6250,6252,12203,16807,17081,18257, %U A221181 18258,19039,19043,19070,21185,21187,21397,31602,36888,36889,40422,67383,67384 %N A221181 Records in A096335 (values). %C A221181 At present it is not known whether this sequence is finite or infinite. %H A221181 Rémy Sigrist, <a href="/A221181/a221181.txt">C program for A221181</a> %o A221181 (C) See Links section. %Y A221181 Cf. A064491, A096335, A221182. %K A221181 nonn %O A221181 1,2 %A A221181 _T. D. Noe_ and _N. J. A. Sloane_, Jan 15 2013 %E A221181 More terms from _Rémy Sigrist_, Nov 06 2020