cp's OEIS Frontend

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.

A088124 Let f(n,x) = 1 + 4x + 6x^2 + 8x^3 + 9x^4 + ... + composite(n)*x^n; a(n)= smallest prime f(n,x), or 0 if no such prime exists.

Table of values

n a(n)
1 5
2 11
3 19
4 241
5 91393
6 19004355761
7 3121
8 79
9 456151
10 113
11 6214345434133
12 647380324484508990481
13 23727240537882663031640150881
14 33371196003273361
15 998893713465761
16 251
17 610748560241
18 14136113
19 5228581733308860742493949409

List of values

[5, 11, 19, 241, 91393, 19004355761, 3121, 79, 456151, 113, 6214345434133, 647380324484508990481, 23727240537882663031640150881, 33371196003273361, 998893713465761, 251, 610748560241, 14136113, 5228581733308860742493949409]