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.

A250647 Number of length 3+1 0..n arrays with the sum of the maximum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.

Table of values

n a(n)
1 6
2 23
3 44
4 89
5 134
6 219
7 296
8 433
9 550
10 751
11 916
12 1193
13 1414
14 1779
15 2064
16 2529
17 2886
18 3463
19 3900
20 4601
21 5126
22 5963
23 6584
24 7569
25 8294
26 9439
27 10276
28 11593
29 12550
30 14051
31 15136
32 16833
33 18054
34 19959
35 21324
36 23449
37 24966
38 27323
39 29000
40 31601
41 33446
42 36303

List of values

[6, 23, 44, 89, 134, 219, 296, 433, 550, 751, 916, 1193, 1414, 1779, 2064, 2529, 2886, 3463, 3900, 4601, 5126, 5963, 6584, 7569, 8294, 9439, 10276, 11593, 12550, 14051, 15136, 16833, 18054, 19959, 21324, 23449, 24966, 27323, 29000, 31601, 33446, 36303]