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.

A165675 Triangle read by rows. T(n, k) = (n - k + 1)! * H(k, n - k), where H are the hyperharmonic numbers. For 0 <= k <= n.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 1
6 6
7 11
8 5
9 1
10 24
11 50
12 26
13 7
14 1
15 120
16 274
17 154
18 47
19 9
20 1
21 720
22 1764
23 1044
24 342
25 74
26 11
27 1
28 5040
29 13068
30 8028
31 2754
32 638
33 107
34 13
35 1
36 40320
37 109584
38 69264
39 24552
40 5944
41 1066
42 146
43 15
44 1
45 362880
46 1026576
47 663696
48 241128
49 60216
50 11274
51 1650
52 191
53 17
54 1

List of values

[1, 1, 1, 2, 3, 1, 6, 11, 5, 1, 24, 50, 26, 7, 1, 120, 274, 154, 47, 9, 1, 720, 1764, 1044, 342, 74, 11, 1, 5040, 13068, 8028, 2754, 638, 107, 13, 1, 40320, 109584, 69264, 24552, 5944, 1066, 146, 15, 1, 362880, 1026576, 663696, 241128, 60216, 11274, 1650, 191, 17, 1]