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.

A361569 Expansion of e.g.f. exp(x^4/24 * (1+x)^4).

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 1
5 20
6 180
7 840
8 1715
9 2520
10 88200
11 1940400
12 29111775
13 303603300
14 2188286100
15 12549537000
16 143029511625
17 3397035642000
18 71419225878000
19 1170096883956000
20 15075357741068625
21 163540869094102500
22 2025016641129982500
23 40912918773391665000

List of values

[1, 0, 0, 0, 1, 20, 180, 840, 1715, 2520, 88200, 1940400, 29111775, 303603300, 2188286100, 12549537000, 143029511625, 3397035642000, 71419225878000, 1170096883956000, 15075357741068625, 163540869094102500, 2025016641129982500, 40912918773391665000]

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

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