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 A352202 #10 May 14 2022 11:26:31
%S A352202 1,2,1,2,1,2,3,2,1,2,3,2,3,3,4,2,1,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,1,2,
%T A352202 3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,2,1,2,3,2,
%U A352202 3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4
%N A352202 a(n) = binary weight of A115510(n).
%o A352202 (Python 3.10+)
%o A352202 # if Python version < 3.10, replace i.bit_count() with bin(i).count('1')
%o A352202 from itertools import islice
%o A352202 def A352202_gen(): # generator of terms
%o A352202 yield 1
%o A352202 l1, s, b = 1, 2, set()
%o A352202 while True:
%o A352202 i = s
%o A352202 while True:
%o A352202 if i & l1 and not i in b:
%o A352202 yield i.bit_count()
%o A352202 l1 = i
%o A352202 b.add(i)
%o A352202 while s in b:
%o A352202 b.remove(s)
%o A352202 s += 1
%o A352202 break
%o A352202 i += 1
%o A352202 A352202_list = list(islice(A352202_gen(),30)) # _Chai Wah Wu_, May 13 2022
%Y A352202 Cf. A115510.
%K A352202 nonn,base
%O A352202 1,2
%A A352202 _N. J. A. Sloane_, Mar 27 2022