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.

A308345 Expansion of e.g.f. Sum_{k>=1} log(1/(1 - x^k/k)).

Table of values

n a(n)
1 1
2 2
3 4
4 15
5 48
6 310
7 1440
8 11970
9 85120
10 821016
11 7257600
12 91707000
13 958003200
14 13440913200
15 178919989248
16 2809456650000
17 41845579776000
18 763629026160000
19 12804747411456000
20 257140635922025856
21 4918792391884800000
22 106876408948152480000

List of values

[1, 2, 4, 15, 48, 310, 1440, 11970, 85120, 821016, 7257600, 91707000, 958003200, 13440913200, 178919989248, 2809456650000, 41845579776000, 763629026160000, 12804747411456000, 257140635922025856, 4918792391884800000, 106876408948152480000]

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

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