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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.

A300910 Expansion of e.g.f. 1/(1 - x)^(x/(1 - x)^2).

Table of values

n a(n)
0 1
1 0
2 2
3 15
4 116
5 1070
6 11754
7 149436
8 2145296
9 34193736
10 598061160
11 11377384920
12 233732130312
13 5153974126704
14 121354505626704
15 3037419444974040
16 80497938647953920
17 2251124265581428800
18 66225476356207660224
19 2044005966844402035456
20 66025689709572751040640
21 2227221130525199246067840
22 78301158190416233445985920

List of values

[1, 0, 2, 15, 116, 1070, 11754, 149436, 2145296, 34193736, 598061160, 11377384920, 233732130312, 5153974126704, 121354505626704, 3037419444974040, 80497938647953920, 2251124265581428800, 66225476356207660224, 2044005966844402035456, 66025689709572751040640, 2227221130525199246067840, 78301158190416233445985920]

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

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