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 A051833 #28 Jul 18 2025 04:27:25
%S A051833 2,64037,66666663333334000000033333336666667
%N A051833 Primes of form (2*10^(5n) - 10^(4n) + 2*10^(3n) + 10^(2n) + 10^n + 1)/3.
%C A051833 The Baxter-Hickerson function provides a number whose cube lacks zeros.
%C A051833 Next term has 665 digits and is in b-file.
%H A051833 Amiram Eldar, <a href="/A051833/b051833.txt">Table of n, a(n) for n = 1..4</a>
%H A051833 Ed Pegg, Jr., <a href="http://www.mathpuzzle.com/numbers.html">Fun with numbers</a>.
%H A051833 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Baxter-HickersonFunction.html">Baxter-Hickerson Function</a>.
%F A051833 a(n) = A052427(A051832(n)). - _Amiram Eldar_, Jul 18 2025
%t A051833 Select[Table[(2*10^(5*n) - 10^(4*n) + 2*10^(3*n) + 10^(2*n) + 10^n + 1)/3, {n, 0, 150}], PrimeQ] (* _Amiram Eldar_, Jul 18 2025 *)
%Y A051833 Cubes: A051750, A051751, A051832, A052044, A052045, A052427.
%Y A051833 Squares: A052040, A052041, A052042, A052043.
%K A051833 hard,nonn
%O A051833 1,1
%A A051833 _G. L. Honaker, Jr._, Dec 11 1999