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.

A203646 Number of arrays of n 0..15 integers with new values introduced in order 0..15 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 190899322
15 1382958545
16 10480142147
17 82864869803
18 682076806005
19 5832742192288
20 51724157478221
21 474869780161021
22 4506714279517080
23 44151953491540255

List of values

[1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 678570, 4213597, 27644437, 190899322, 1382958545, 10480142147, 82864869803, 682076806005, 5832742192288, 51724157478221, 474869780161021, 4506714279517080, 44151953491540255]

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

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