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.

A144644 Triangle in A144643 read by columns downwards.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 1
5 1
6 0
7 1
8 3
9 1
10 0
11 1
12 7
13 6
14 1
15 0
16 0
17 15
18 25
19 10
20 1
21 0
22 0
23 25
24 90
25 65
26 15
27 1
28 0
29 0
30 35
31 280
32 350
33 140
34 21
35 1
36 0
37 0
38 35
39 770
40 1645
41 1050
42 266
43 28
44 1
45 0
46 0
47 0
48 1855
49 6930
50 6825
51 2646
52 462
53 36
54 1
55 0
56 0
57 0
58 3675
59 26425
60 39795
61 22575
62 5880
63 750
64 45
65 1

List of values

[1, 0, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 7, 6, 1, 0, 0, 15, 25, 10, 1, 0, 0, 25, 90, 65, 15, 1, 0, 0, 35, 280, 350, 140, 21, 1, 0, 0, 35, 770, 1645, 1050, 266, 28, 1, 0, 0, 0, 1855, 6930, 6825, 2646, 462, 36, 1, 0, 0, 0, 3675, 26425, 39795, 22575, 5880, 750, 45, 1]