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.

A022812 Number of terms in n-th derivative of a function composed with itself 4 times.

Table of values

n a(n)
0 1
1 1
2 4
3 10
4 26
5 55
6 121
7 237
8 468
9 867
10 1597
11 2821
12 4952
13 8421
14 14206
15 23439
16 38324
17 61570
18 98112
19 154111
20 240197
21 370015
22 565802
23 856664
24 1288366
25 1921016
26 2846572
27 4186730
28 6122369
29 8893904
30 12851713
31 18460961
32 26388354
33 37519159
34 53101687
35 74792210

List of values

[1, 1, 4, 10, 26, 55, 121, 237, 468, 867, 1597, 2821, 4952, 8421, 14206, 23439, 38324, 61570, 98112, 154111, 240197, 370015, 565802, 856664, 1288366, 1921016, 2846572, 4186730, 6122369, 8893904, 12851713, 18460961, 26388354, 37519159, 53101687, 74792210]

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

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