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.

A099020 Euler-Seidel matrix T(k,n) with start sequence A001147, read by antidiagonals.

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 1
5 1
6 4
7 2
8 1
9 0
10 10
11 6
12 4
13 3
14 3
15 26
16 16
17 10
18 6
19 3
20 0
21 76
22 50
23 34
24 24
25 18
26 15
27 15
28 232
29 156
30 106
31 72
32 48
33 30
34 15
35 0
36 764
37 532
38 376
39 270
40 198
41 150
42 120
43 105
44 105
45 2620
46 1856
47 1324
48 948
49 678
50 480
51 330
52 210
53 105
54 0
55 9496
56 6876
57 5020
58 3696
59 2748
60 2070
61 1590
62 1260
63 1050
64 945
65 945

List of values

[1, 1, 0, 2, 1, 1, 4, 2, 1, 0, 10, 6, 4, 3, 3, 26, 16, 10, 6, 3, 0, 76, 50, 34, 24, 18, 15, 15, 232, 156, 106, 72, 48, 30, 15, 0, 764, 532, 376, 270, 198, 150, 120, 105, 105, 2620, 1856, 1324, 948, 678, 480, 330, 210, 105, 0, 9496, 6876, 5020, 3696, 2748, 2070, 1590, 1260, 1050, 945, 945]