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 A062879 #8 Jan 20 2020 12:59:24 %S A062879 0,2,5,7,13,15,18,20,34,36,39,41,47,49,52,54,89,91,94,96,102,104,107, %T A062879 109,123,125,128,130,136,138,141,143,233,235,238,240,246,248,251,253, %U A062879 267,269,272,274,280,282,285,287,322,324,327,329,335,337,340,342,356 %N A062879 Integers whose Zeckendorf expansion does not contain ones at even positions. %H A062879 Amiram Eldar, <a href="/A062879/b062879.txt">Table of n, a(n) for n = 1..10000</a> %F A062879 A062880(n) = A003714(a(n)). %F A062879 A165276(a(n)) = 0. - _Amiram Eldar_, Jan 20 2020 %t A062879 fibOddCount[n_] := Plus @@ (Reverse@IntegerDigits[n, 2])[[1 ;; -1 ;; 2]]; oddIndexed = fibOddCount /@ Select[Range[0, 10000], BitAnd[#, 2 #] == 0 &]; -1 + Position[oddIndexed, _?(# == 0 &)] // Flatten (* _Amiram Eldar_, Jan 20 2020 *) %Y A062879 Bisection of A062877. %Y A062879 Subset of A022342. %Y A062879 Cf. A003714, A014417, A062880, A165276. %K A062879 nonn %O A062879 1,2 %A A062879 _Antti Karttunen_, Jun 26 2001 %E A062879 Offset corrected by _Amiram Eldar_, Jan 20 2020