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.

A185149 a(n) = 3^n*A003046(n+1)/A002457(n).

Table of values

n a(n)
0 1
1 1
2 3
3 27
4 756
5 68040
6 20207880
7 20228087880
8 69422797604160
9 828491666608045440
10 34788365080871828025600
11 5191328567558179408948185600
12 2776779354844059467693477099212800
13 5363460395055494624228658756213491712000

List of values

[1, 1, 3, 27, 756, 68040, 20207880, 20228087880, 69422797604160, 828491666608045440, 34788365080871828025600, 5191328567558179408948185600, 2776779354844059467693477099212800, 5363460395055494624228658756213491712000]