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.

A378017 E.g.f. satisfies A(x) = (1+x)^2 * exp( x * (1+x) * A(x) ).

Table of values

n a(n)
0 1
1 3
2 15
3 148
4 2077
5 38326
6 883369
7 24431436
8 789531705
9 29213730010
10 1218401262541
11 56566561281616
12 2893886178904549
13 161768999193007974
14 9811122121462081281
15 641683497800057913556
16 45022670799746182036465
17 3373421864644139722767538
18 268843153008388446079159573

List of values

[1, 3, 15, 148, 2077, 38326, 883369, 24431436, 789531705, 29213730010, 1218401262541, 56566561281616, 2893886178904549, 161768999193007974, 9811122121462081281, 641683497800057913556, 45022670799746182036465, 3373421864644139722767538, 268843153008388446079159573]

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

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