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.

A212134 Number of (w,x,y,z) with all terms in {1,...,n} and median<=mean.

Table of values

n a(n)
0 0
1 1
2 12
3 57
4 172
5 405
6 816
7 1477
8 2472
9 3897
10 5860
11 8481
12 11892
13 16237
14 21672
15 28365
16 36496
17 46257
18 57852
19 71497
20 87420
21 105861
22 127072
23 151317
24 178872
25 210025
26 245076
27 284337
28 328132
29 376797
30 430680
31 490141
32 555552
33 627297
34 705772
35 791385
36 884556
37 985717

List of values

[0, 1, 12, 57, 172, 405, 816, 1477, 2472, 3897, 5860, 8481, 11892, 16237, 21672, 28365, 36496, 46257, 57852, 71497, 87420, 105861, 127072, 151317, 178872, 210025, 245076, 284337, 328132, 376797, 430680, 490141, 555552, 627297, 705772, 791385, 884556, 985717]