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.

A141003 Expansion of e.g.f. exp(Sum_{d|M} (exp(d*x)-1)/d), M=4.

Table of values

n a(n)
0 1
1 3
2 16
3 111
4 931
5 9066
6 99925
7 1224579
8 16466524
9 240481659
10 3783550243
11 63705870894
12 1141642250521
13 21673475232051
14 434151377912680
15 9144596750676663
16 201921333704487283
17 4661560653703827474
18 112247618536314408013
19 2813147392487637246483

List of values

[1, 3, 16, 111, 931, 9066, 99925, 1224579, 16466524, 240481659, 3783550243, 63705870894, 1141642250521, 21673475232051, 434151377912680, 9144596750676663, 201921333704487283, 4661560653703827474, 112247618536314408013, 2813147392487637246483]

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

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