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.

A203643 Number of arrays of n 0..12 integers with new values introduced in order 0..12 but otherwise unconstrained.

Table of values

n a(n)
1 1
2 2
3 5
4 15
5 52
6 203
7 877
8 4140
9 21147
10 115975
11 678570
12 4213597
13 27644437
14 190899321
15 1382958439
16 10480136006
17 82864611947
18 682068020031
19 5832484170844
20 51717380273487
21 474706578749477
22 4503047451718545
23 44074082550176545

List of values

[1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 678570, 4213597, 27644437, 190899321, 1382958439, 10480136006, 82864611947, 682068020031, 5832484170844, 51717380273487, 474706578749477, 4503047451718545, 44074082550176545]

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

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