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.

A200840 Number of 0..n arrays x(0..4) of 5 elements without any two consecutive increases or two consecutive decreases.

Table of values

n a(n)
1 32
2 191
3 676
4 1817
5 4108
6 8239
7 15128
8 25953
9 42184
10 65615
11 98396
12 143065
13 202580
14 280351
15 380272
16 506753
17 664752
18 859807
19 1098068
20 1386329
21 1732060
22 2143439
23 2629384
24 3199585
25 3864536
26 4635567
27 5524876
28 6545561
29 7711652
30 9038143

List of values

[32, 191, 676, 1817, 4108, 8239, 15128, 25953, 42184, 65615, 98396, 143065, 202580, 280351, 380272, 506753, 664752, 859807, 1098068, 1386329, 1732060, 2143439, 2629384, 3199585, 3864536, 4635567, 5524876, 6545561, 7711652, 9038143]