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 A292262 #5 Sep 12 2017 20:38:31 %S A292262 0,1,1,0,1,0,2,0,1,0,1,0,1,0,1,0,1,0,3,0,1,0,1,0,1,0,3,0,1,0,2,0,1,0, %T A292262 1,0,1,0,1,0,1,0,2,0,1,0,1,0,1,0,1,0,1,0,2,0,1,0,1,0,1,0,1,0,1,0,2,0, %U A292262 1,0,1,0,1,0,2,0,1,0,3,0,1,0,1,0,1,0,1,0,1,0,2,0,1,0,1,0,1,0,2,0,1,0,4,0,1,0,1,0,1,0,3,0,1,0,2,0,1,0,1,0,1 %N A292262 Number of trailing 2-digits in ternary representation of A245612(n). %H A292262 Antti Karttunen, <a href="/A292262/b292262.txt">Table of n, a(n) for n = 0..16384</a> %F A292262 a(n) = A007949(1+A245612(n)). %F A292262 a(n) = A007814(1+A291763(n)). %F A292262 a(0) = 0, a(1) = 1, after which a(2n) = 1 + A292261(n/2), a(2n+1) = 0. %o A292262 (Scheme) %o A292262 (define (A292262 n) (A007949 (+ 1 (A245612 n)))) %o A292262 (define (A292262 n) (A007814 (+ 1 (A291763 n)))) %o A292262 (define (A292262 n) (cond ((<= n 1) n) ((odd? n) 0) (else (+ 1 (A292261 (/ n 2)))))) %Y A292262 Cf. A007814, A007949, A245612, A291763, A292261 (even bisection subtracted by one). %Y A292262 Cf. also A292242, A292252. %K A292262 nonn,base %O A292262 0,7 %A A292262 _Antti Karttunen_, Sep 12 2017