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.

A200873 Number of 0..n arrays x(0..4) of 5 elements without any interior element greater than both neighbors or less than both neighbors.

Table of values

n a(n)
1 16
2 77
3 236
4 567
5 1168
6 2163
7 3704
8 5973
9 9184
10 13585
11 19460
12 27131
13 36960
14 49351
15 64752
16 83657
17 106608
18 134197
19 167068
20 205919
21 251504
22 304635
23 366184
24 437085
25 518336
26 611001
27 716212
28 835171
29 969152
30 1119503
31 1287648
32 1475089
33 1683408

List of values

[16, 77, 236, 567, 1168, 2163, 3704, 5973, 9184, 13585, 19460, 27131, 36960, 49351, 64752, 83657, 106608, 134197, 167068, 205919, 251504, 304635, 366184, 437085, 518336, 611001, 716212, 835171, 969152, 1119503, 1287648, 1475089, 1683408]

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

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