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.

A206309 Villegas-Zagier polynomial V(3*n) evaluated at x=0.

Table of values

n a(n)
0 1
1 -2
2 -152
3 -6848
4 -8103296
5 22483912960
6 -8062284861440
7 196434444070666240
8 532650564250569441280
9 2039228675045199496806400
10 -5209573728611533514689740800
11 1172773847164346785332278906060800
12 -14811687653648930753369603156895334400
13 -612441229040578815278149020969838051328000

List of values

[1, -2, -152, -6848, -8103296, 22483912960, -8062284861440, 196434444070666240, 532650564250569441280, 2039228675045199496806400, -5209573728611533514689740800, 1172773847164346785332278906060800, -14811687653648930753369603156895334400, -612441229040578815278149020969838051328000]