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 A360445 #10 Mar 13 2023 16:06:58
%S A360445 0,1,2,4,5,8,11,14,15,19,25,31,35,41,45,49,50,55,65,75,85,95,105,115,
%T A360445 120,130,140,150,155,165,170,175,176,182,197,212,232,247,267,287,302,
%U A360445 317,337,357,372,392,407,422,428,443,463,483,498,518,533,548,554,574,589
%N A360445 a(n) = Sum_{k=1..n} A178244(k-1).
%C A360445 Partial sums of A178244, including the empty sum as initial term, so that a(n) gives the sum of all distinct permutations of the binary representation of all numbers less than n, which is also the index where terms with first half of binary expansion equal to n (in binary) start in A272653.
%o A360445 (PARI) a(n)=sum(k=1,n,A178244(k-1))
%Y A360445 Cf. A178244, A272653.
%K A360445 nonn
%O A360445 0,3
%A A360445 _M. F. Hasler_, Feb 23 2023