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 A327419 #8 Sep 16 2019 12:28:41 %S A327419 1,4,1,6,4,8,1,9,6,12,4,14,8,22,1,18,9,20,6,29,12,24,4,28,14,26,8,30, %T A327419 22,32,1,46,18,41,9,38,20,53,6,42,29,44,12,66,24,48,4,49,28,70,14,54, %U A327419 26,65,8,77,30,60,22,62,32,64,1,85,46,68,18,94,41,72 %N A327419 Numbers, when duplicates removed and sorted, are A327446, the complement of A327093. %o A327419 (SageMath) %o A327419 def A327419(n): %o A327419 s = n + 1 %o A327419 for k in srange(n, 0, -1): %o A327419 if k.divides(s): %o A327419 s += k if is_odd(s//k) else -k %o A327419 return s %o A327419 print([A327419(n) for n in (1..70)]) %Y A327419 Cf. A327446, A327093. %K A327419 nonn %O A327419 1,2 %A A327419 _Peter Luschny_, Sep 14 2019