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.

A103415 Triangle, read by rows, T(n,k) = A000129(n+1) - Sum_{j=1..k} t(n+1, j), where t(n, k) is defined in the formula section.

Table of values

n a(n)
0 1
1 2
2 1
3 5
4 4
5 1
6 12
7 11
8 6
9 1
10 29
11 28
12 21
13 8
14 1
15 70
16 69
17 60
18 35
19 10
20 1
21 169
22 168
23 157
24 116
25 53
26 12
27 1
28 408
29 407
30 394
31 333
32 204
33 75
34 14
35 1
36 985
37 984
38 969
39 884
40 653
41 332
42 101
43 16
44 1
45 2378
46 2377
47 2360
48 2247
49 1870
50 1189
51 508
52 131
53 18
54 1
55 5741
56 5740
57 5721
58 5576
59 5001
60 3712
61 2029
62 740
63 165
64 20
65 1

List of values

[1, 2, 1, 5, 4, 1, 12, 11, 6, 1, 29, 28, 21, 8, 1, 70, 69, 60, 35, 10, 1, 169, 168, 157, 116, 53, 12, 1, 408, 407, 394, 333, 204, 75, 14, 1, 985, 984, 969, 884, 653, 332, 101, 16, 1, 2378, 2377, 2360, 2247, 1870, 1189, 508, 131, 18, 1, 5741, 5740, 5721, 5576, 5001, 3712, 2029, 740, 165, 20, 1]