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.

A349935 Array read by ascending antidiagonals: A(n, k) is the n-th spin s-Catalan number, with s = k/2.

Table of values

n a(n)
1 1
2 0
3 1
4 2
5 1
6 1
7 0
8 3
9 0
10 1
11 5
12 6
13 4
14 1
15 1
16 0
17 15
18 0
19 5
20 0
21 1
22 14
23 36
24 34
25 16
26 6
27 1
28 1
29 0
30 91
31 0
32 65
33 0
34 7
35 0
36 1
37 42
38 232
39 364
40 260
41 111
42 31
43 8
44 1
45 1
46 0
47 603
48 0
49 1085
50 0
51 175
52 0
53 9
54 0
55 1
56 132
57 1585
58 4269
59 4600
60 2666
61 981
62 260
63 51
64 10
65 1
66 1
67 0
68 4213
69 0
70 19845
71 0
72 5719
73 0
74 369
75 0
76 11
77 0
78 1

List of values

[1, 0, 1, 2, 1, 1, 0, 3, 0, 1, 5, 6, 4, 1, 1, 0, 15, 0, 5, 0, 1, 14, 36, 34, 16, 6, 1, 1, 0, 91, 0, 65, 0, 7, 0, 1, 42, 232, 364, 260, 111, 31, 8, 1, 1, 0, 603, 0, 1085, 0, 175, 0, 9, 0, 1, 132, 1585, 4269, 4600, 2666, 981, 260, 51, 10, 1, 1, 0, 4213, 0, 19845, 0, 5719, 0, 369, 0, 11, 0, 1]