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.

A368793 a(n) = (3*n-2)!!! * Sum_{k=0..n} k/(3*k-2)!!!.

Table of values

n a(n)
0 0
1 1
2 6
3 45
4 454
5 5907
6 94518
7 1795849
8 39508686
9 987717159
10 27656080462
11 857338494333
12 29149508807334
13 1078531825871371
14 43141273034854854
15 1855074740498758737
16 85333438062942901918
17 4181338465084202193999
18 217429600184378514087966

List of values

[0, 1, 6, 45, 454, 5907, 94518, 1795849, 39508686, 987717159, 27656080462, 857338494333, 29149508807334, 1078531825871371, 43141273034854854, 1855074740498758737, 85333438062942901918, 4181338465084202193999, 217429600184378514087966]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.