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 A219657 #12 Jul 17 2025 14:46:34 %S A219657 0,2,5,8,12,16,21,26,32,38,44,50,57,64,71,78,86,94,102,110,119,128, %T A219657 137,146,156,166,177,188,199,210,222,234,246,258,271,284,297,310,324, %U A219657 338,352,366,381,396,411,426,441,456,472,488,504,520,537,554,571,588,606 %N A219657 Positions of zeros in A219659. %H A219657 Antti Karttunen, <a href="/A219657/b219657.txt">Table of n, a(n) for n = 0..10080</a> %F A219657 a(n) = n + A219656(n). %o A219657 (Scheme) (define (A219657 n) (+ n (A219656 n))) %Y A219657 Cf. A219656, A219659. Analogous sequence for binary system: A213707, for Zeckendorf expansion: A219647. %K A219657 nonn %O A219657 0,2 %A A219657 _Antti Karttunen_, Nov 25 2012