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 A383214 #8 May 03 2025 17:45:24
%S A383214 1,1,0,1,-1,1,0,1,0,0,0,0,0,-1,1,1,-1,1,-1,1,0,0,-1,1,0,0,-1,1,1,-1,0,
%T A383214 1,0,0,0,0,0,1,-2,1,-1,1,0,-1,1,0,-1,1,0,0,0,0,-1,2,-1,0,0,0,0,0,0,0,
%U A383214 0,1,-1,1,0,0,0,0,-1,1,0,-1,1,-1,1,0,-1,1
%N A383214 a(n) = A067434(n) - A383213(n).
%C A383214 Least n such that a(n) = -3 is 7055; least n such than a(n) = 3 is 740.
%t A383214 u = Table[PrimeNu[Binomial[2 n, n]], {n, 200}] (* A067434 *)
%t A383214 v = Table[PrimeNu[Binomial[2 n, n + 1]], {n, 200}] (* A383213 *)
%t A383214 u - v
%Y A383214 Cf. A000984, A067634, A383213.
%K A383214 sign
%O A383214 1,39
%A A383214 _Clark Kimberling_, Apr 19 2025