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.

A153859 Triangle read by rows, A007318 * (A007476 * 0 ^(n-k)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 3
9 2
10 1
11 4
12 6
13 8
14 4
15 1
16 5
17 10
18 20
19 20
20 9
21 1
22 6
23 15
24 40
25 60
26 54
27 23
28 1
29 7
30 21
31 70
32 140
33 189
34 161
35 65
36 1
37 8
38 28
39 112
40 280
41 504
42 644
43 520
44 199
45 1
46 9
47 36
48 168
49 504
50 1134
51 1932
52 2340
53 1791
54 654
55 1
56 10
57 45
58 240
59 840
60 2268
61 4830
62 7800
63 8955
64 6540
65 2296

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 2, 1, 4, 6, 8, 4, 1, 5, 10, 20, 20, 9, 1, 6, 15, 40, 60, 54, 23, 1, 7, 21, 70, 140, 189, 161, 65, 1, 8, 28, 112, 280, 504, 644, 520, 199, 1, 9, 36, 168, 504, 1134, 1932, 2340, 1791, 654, 1, 10, 45, 240, 840, 2268, 4830, 7800, 8955, 6540, 2296]