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 A216961 #13 Dec 29 2021 09:52:24 %S A216961 0,0,0,0,1,0,2,1,3,3,6,5,13,12,28,25,58,53,118,115,243,236,505,480, %T A216961 1027,1002,2068,2043,4217,4127,8509,8414,17092,16996,34528,34157, %U A216961 69377,69010,139087,138726,279576,278123,560558,559085,1122538,1121029,2250783,2244899,4507272 %N A216961 a(n) = A216960(n)/2. %H A216961 Hakan Icoz, <a href="/A216961/b216961.txt">Table of n, a(n) for n = 1..100</a> %H A216961 <a href="/index/Cu#curling_numbers">Index entries for sequences related to curling numbers</a> %Y A216961 Cf. A216960. %K A216961 nonn %O A216961 1,7 %A A216961 _N. J. A. Sloane_, Sep 27 2012 %E A216961 More terms from _Hakan Icoz_, Dec 28 2021