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.

A366957 Expansion of e.g.f. 1/(1-x^2-3*x^3).

Table of values

n a(n)
0 1
1 0
2 2
3 18
4 24
5 720
6 7200
7 45360
8 1128960
9 14152320
10 199584000
11 4909766400
12 82388275200
13 1793381990400
14 47163455539200
15 1051370191872000
16 29396519792640000
17 863253387988992000
18 24437860434763776000
19 807966756915462144000
20 27000346486744350720000

List of values

[1, 0, 2, 18, 24, 720, 7200, 45360, 1128960, 14152320, 199584000, 4909766400, 82388275200, 1793381990400, 47163455539200, 1051370191872000, 29396519792640000, 863253387988992000, 24437860434763776000, 807966756915462144000, 27000346486744350720000]

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

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