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.

A249708 Number of length 2+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.

Table of values

n a(n)
1 14
2 69
3 208
4 485
5 966
6 1729
7 2864
8 4473
9 6670
10 9581
11 13344
12 18109
13 24038
14 31305
15 40096
16 50609
17 63054
18 77653
19 94640
20 114261
21 136774
22 162449
23 191568
24 224425
25 261326
26 302589
27 348544
28 399533
29 455910
30 518041
31 586304
32 661089
33 742798
34 831845
35 928656

List of values

[14, 69, 208, 485, 966, 1729, 2864, 4473, 6670, 9581, 13344, 18109, 24038, 31305, 40096, 50609, 63054, 77653, 94640, 114261, 136774, 162449, 191568, 224425, 261326, 302589, 348544, 399533, 455910, 518041, 586304, 661089, 742798, 831845, 928656]