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 A218613 #9 Jul 25 2025 16:50:27 %S A218613 0,1,2,3,2,5,6,4,4,5,5,9,10,17,17,5,19,32,6,10,8,4,3,10,33,4,5,7,34, %T A218613 20,31,5,62,4,7,4,5,14,33,7,54,32,12,14,3,34,47,4,8,31,32,143,10,11, %U A218613 17,169,13,240,59,8,7,15,18,12,33,102,5,66,116,6,11,15 %N A218613 Sizes of distinct new sidetrees ("tendrils", in the order of their appearance) that sprout along (A218787) the infinite trunk of beanstalk (A179016). %F A218613 a(n) = A218786(A218611(n)). %o A218613 (Scheme) (define (A218613 n) (A218786 (A218611 n))) %Y A218613 a(n) = A213726(A218612(n))-1. All values A218549(n)-1 occur here at some point and in order. %K A218613 nonn %O A218613 1,3 %A A218613 _Antti Karttunen_, Nov 11 2012