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 A272604 #7 Sep 14 2016 07:09:07 %S A272604 0,1,1,2,1,1,2,3,1,1,1,2,2,2,3,4,1,1,1,2,1,1,2,3,2,2,2,3,3,3,4,5,1,1, %T A272604 1,2,1,1,2,3,1,1,1,2,2,2,3,4,2,2,2,2,2,2,3,4,3,3,3,4,4,4,5,6,1,1,1,2, %U A272604 1,1,2,3,1,1,1,2,2,2,3,4,1,1,1,2,1,1,2,3,2,2,2,3,3,3,4,5,2,2,2,2,2,2,2,3,2,2,2,3,3,3,4,5,3,3,3,3,3,3,4,5,4,4,4,5 %N A272604 Maximum subrange sum over n written out in binary with -1 for each zero (cf. A276691). %H A272604 Joerg Arndt, <a href="/A272604/b272604.txt">Table of n, a(n) for n = 0..8191</a> %F A272604 A276691(n) = sum(k=1..2^n-1, a(n)). %e A272604 n [ binary n ] a(n) %e A272604 0 [ - - - - - ] 0 %e A272604 1 [ - - - - + ] 1 %e A272604 2 [ - - - + - ] 1 %e A272604 3 [ - - - + + ] 2 %e A272604 4 [ - - + - - ] 1 %e A272604 5 [ - - + - + ] 1 %e A272604 6 [ - - + + - ] 2 %e A272604 7 [ - - + + + ] 3 %e A272604 8 [ - + - - - ] 1 %e A272604 9 [ - + - - + ] 1 %e A272604 10 [ - + - + - ] 1 %e A272604 11 [ - + - + + ] 2 %e A272604 12 [ - + + - - ] 2 %e A272604 13 [ - + + - + ] 2 %e A272604 14 [ - + + + - ] 3 %e A272604 15 [ - + + + + ] 4 %e A272604 16 [ + - - - - ] 1 %e A272604 17 [ + - - - + ] 1 %e A272604 18 [ + - - + - ] 1 %e A272604 19 [ + - - + + ] 2 %e A272604 20 [ + - + - - ] 1 %e A272604 21 [ + - + - + ] 1 %e A272604 22 [ + - + + - ] 2 %e A272604 23 [ + - + + + ] 3 %e A272604 24 [ + + - - - ] 2 %e A272604 25 [ + + - - + ] 2 %e A272604 26 [ + + - + - ] 2 %e A272604 27 [ + + - + + ] 3 %e A272604 28 [ + + + - - ] 3 %e A272604 29 [ + + + - + ] 3 %e A272604 30 [ + + + + - ] 4 %e A272604 31 [ + + + + + ] 5 %Y A272604 Cf. A276691. %K A272604 nonn %O A272604 0,4 %A A272604 _Joerg Arndt_, Sep 14 2016