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 A319432 #12 Oct 07 2018 17:59:45 %S A319432 2,3,6,2,11,2,3,22,2,3,6,2,43,2,3,6,2,11,2,3,86,2,3,6,2,11,2,3,22,2,3, %T A319432 6,2,171,2,3,6,2,11,2,3,22,2,3,6,2,43,2,3,6,2,11,2,3,342,2,3,6,2,11,2, %U A319432 3,22,2,3,6,2,43,2,3,6,2,11,2,3,86,2,3,6,2,11,2,3,22,2,3,6,2,683,2 %N A319432 The first differences (A129761) of the tribonacci representation numbers (A003714 or A014417) consists of runs of 1's separated by the terms of the present sequence. %C A319432 The runs of 1's in A129761 have lengths that apparently are given by the Fibonacci word A005614 (with a slight change at the start). The present sequence shows the terms greater than 1. The structure of this sequence is (partially) analyzed in the comments in A129761. %H A319432 Rémy Sigrist, <a href="/A319432/b319432.txt">Table of n, a(n) for n = 1..25000</a> %o A319432 (PARI) p=0; for (n=1, 2052, if (bitand(n,2*n)==0, if (n-p>1, print1 (n-p ", ")); p=n)) \\ _Rémy Sigrist_, Oct 07 2018 %Y A319432 Cf. A003714, A005614, A014417, A129761, %K A319432 nonn %O A319432 1,1 %A A319432 _N. J. A. Sloane_, Sep 30 2018