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.

A200835 Number of 0..5 arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases.

Table of values

n a(n)
1 176
2 846
3 4108
4 19930
5 96690
6 469116
7 2276028
8 11042700
9 53576350
10 259938722
11 1261156090
12 6118806300
13 29686880836
14 144033141554
15 698811908924
16 3390456382404
17 16449625906804
18 79809371351400
19 387214626739458

List of values

[176, 846, 4108, 19930, 96690, 469116, 2276028, 11042700, 53576350, 259938722, 1261156090, 6118806300, 29686880836, 144033141554, 698811908924, 3390456382404, 16449625906804, 79809371351400, 387214626739458]

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

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