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 A265415 #25 Jan 25 2016 03:30:22 %S A265415 1,10,21,31,37,101,119,157,197,273,325,381,485,553,677,703,871,931, %T A265415 1123,1191,1297,1483,1561,1765,1893,2026,2353,2402,2757,2810,2917, %U A265415 3081,3193,3250,3365,3661,3716,3783,4161,4359,4693,4901,5257,5477,5853,6085,6481 %N A265415 Positions of ones in A260643. %H A265415 Peter Kagey, <a href="/A265415/b265415.txt">Table of n, a(n) for n = 1..729</a> (all terms under 1,000,000) %H A265415 Antti Karttunen, <a href="/A260643/a260643.txt">R6RS-Scheme program for computing this sequence</a> (slowly) %Y A265415 Cf. A260643, A265414. %K A265415 nonn %O A265415 1,2 %A A265415 _Antti Karttunen_, Dec 09 2015