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.

A380053 E.g.f. (exp(x) - 1)/cos(x).

Table of values

n a(n)
1 1
2 1
3 4
4 7
5 36
6 91
7 624
8 2087
9 18256
10 76231
11 814144
12 4078867
13 51475776
14 300870571
15 4381112064
16 29265244847
17 482962852096
18 3629392540111
19 66942218896384
20 558956224522027
21 11394877025289216
22 104659828714136851
23 2336793875186479104
24 23414201065072302407
25 568240131312188379136

List of values

[1, 1, 4, 7, 36, 91, 624, 2087, 18256, 76231, 814144, 4078867, 51475776, 300870571, 4381112064, 29265244847, 482962852096, 3629392540111, 66942218896384, 558956224522027, 11394877025289216, 104659828714136851, 2336793875186479104, 23414201065072302407, 568240131312188379136]

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

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