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 A056201 #10 Nov 24 2022 18:19:06 %S A056201 1,1,1,1,1,1,1,1,1,1,1,1,1,8,1,1,1,1,1,1,1,8,1,1,1,8,27,216,8,1,1,1, %T A056201 27,27,1,1,1,8,1,1,1,8,1,8,216,27,1,1,1,8,27,216,8,1,1,8,8,1,8,1,1,8, %U A056201 1,1,1,1,1,1,1,8,1,1,1,8,1,8,8,1,1,1,1,8,27,216,216,27,1,8,8,1,8,1,27,216 %N A056201 Characteristic cube divisor (A056191) of central binomial coefficient (A001405). %F A056201 a(n) = A056059(n)^3 = g^3 and binomial(n, floor(n/2)) = a(n)^3 * L^2 * A056060(n), where L = A056056(n)/A056059(n). %e A056201 n=14, binomial(14,8) = 3432 = 2*2*2*3*11*13 so g(3432)=2, thus a(14)=8. %Y A056201 Cf. A056056-A056060, A056202. %Y A056201 Equals A056059^3. %K A056201 nonn %O A056201 1,14 %A A056201 _Labos Elemer_, Aug 02 2000