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.

A138802 Number of monomials in discriminant of symbolic Tschirnhausen polynomial of degree n (with three zero coefficients at x^(n-1), x^(n-2) and x^(n-3)).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 7
7 26
8 115
9 521
10 2502
11 12389
12 63236
13 330455
14 1762852

List of values

[1, 1, 1, 2, 2, 7, 26, 115, 521, 2502, 12389, 63236, 330455, 1762852]