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.

A135091 A007318 * triangle M, where M = A002426 * 0^(n-k), 0<=k<=n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 1
7 3
8 9
9 7
10 1
11 4
12 18
13 28
14 19
15 1
16 5
17 30
18 70
19 95
20 51
21 1
22 6
23 45
24 140
25 285
26 306
27 141
28 1
29 7
30 63
31 245
32 665
33 1071
34 987
35 393
36 1
37 8
38 84
39 392
40 1330
41 2856
42 3948
43 3144
44 1107
45 1
46 9
47 108
48 588
49 2394
50 6426
51 11844
52 14148
53 9963
54 3139

List of values

[1, 1, 1, 1, 2, 3, 1, 3, 9, 7, 1, 4, 18, 28, 19, 1, 5, 30, 70, 95, 51, 1, 6, 45, 140, 285, 306, 141, 1, 7, 63, 245, 665, 1071, 987, 393, 1, 8, 84, 392, 1330, 2856, 3948, 3144, 1107, 1, 9, 108, 588, 2394, 6426, 11844, 14148, 9963, 3139]