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.

A200939 Number of 0..3 arrays x(0..n-1) of n elements with nondecreasing average value and 0..3 occur with instance counts within one of each other.

Table of values

n a(n)
1 4
2 6
3 7
4 3
5 17
6 40
7 46
8 21
9 135
10 342
11 402
12 186
13 1240
14 3225
15 3850
16 1785
17 12220
18 32333
19 39011
20 18123
21 126294
22 338016
23 410508
24 190974
25 1347066
26 3634200
27 4433652
28 2064492
29 14694240
30 39879609
31 48816834
32 22746537
33 163035180
34 444514785
35 545548575

List of values

[4, 6, 7, 3, 17, 40, 46, 21, 135, 342, 402, 186, 1240, 3225, 3850, 1785, 12220, 32333, 39011, 18123, 126294, 338016, 410508, 190974, 1347066, 3634200, 4433652, 2064492, 14694240, 39879609, 48816834, 22746537, 163035180, 444514785, 545548575]

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

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