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 A218612 #10 Jul 25 2025 16:44:25
%S A218612 2,10,22,47,105,208,224,471,486,943,966,974,1934,1972,3509,3546,3765,
%T A218612 3893,3930,3995,4027,4049,7912,8041,8058,8146,14291,15315,15738,15827,
%U A218612 15995,16040,16122,16211,16312,16334,31694,32207,32440,32462,32568,57145,57208
%N A218612 Numbers which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730).
%H A218612 Antti Karttunen, <a href="/A218612/b218612.txt">Table of n, a(n) for n = 1..72</a>
%F A218612 a(n) = A213730(A218611(n)).
%o A218612 (Scheme) (define (A218612 n) (A213730 (A218611 n)))
%Y A218612 A superset of A218548. Cf. A218611, A218613.
%K A218612 nonn
%O A218612 1,1
%A A218612 _Antti Karttunen_, Nov 11 2012