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.

A267233 Number of length-4 0..n arrays with no following elements greater than or equal to the first repeated value.

Table of values

n a(n)
1 6
2 47
3 176
4 470
5 1030
6 1981
7 3472
8 5676
9 8790
10 13035
11 18656
12 25922
13 35126
14 46585
15 60640
16 77656
17 98022
18 122151
19 150480
20 183470
21 221606
22 265397
23 315376
24 372100
25 436150
26 508131
27 588672
28 678426
29 778070
30 888305
31 1009856
32 1143472
33 1289926

List of values

[6, 47, 176, 470, 1030, 1981, 3472, 5676, 8790, 13035, 18656, 25922, 35126, 46585, 60640, 77656, 98022, 122151, 150480, 183470, 221606, 265397, 315376, 372100, 436150, 508131, 588672, 678426, 778070, 888305, 1009856, 1143472, 1289926]