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.

A143670 Array of higher spin alternating sign matrices, read by antidiagonals.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 7
9 3
10 1
11 1
12 42
13 26
14 4
15 1
16 1
17 429
18 628
19 70
20 5
21 1
22 1
23 7436
24 41784
25 5102
26 155
27 6
28 1
29 1
30 218348
31 7517457
32 1507128
33 28005

List of values

[1, 1, 1, 1, 2, 1, 1, 7, 3, 1, 1, 42, 26, 4, 1, 1, 429, 628, 70, 5, 1, 1, 7436, 41784, 5102, 155, 6, 1, 1, 218348, 7517457, 1507128, 28005]