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.

A344821 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where A(n,k) = Sum_{j=1..n} floor(n/j) * k^(j-1).

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 3
6 3
7 1
8 4
9 5
10 4
11 1
12 5
13 9
14 8
15 5
16 1
17 6
18 15
19 20
20 10
21 6
22 1
23 7
24 23
25 46
26 37
27 14
28 7
29 1
30 8
31 33
32 92
33 128
34 76
35 16
36 8
37 1
38 9
39 45
40 164
41 349
42 384
43 141
44 20
45 9
46 1
47 10
48 59
49 268
50 790
51 1394
52 1114
53 280
54 23
55 10
56 1
57 11
58 75
59 410
60 1565
61 3946
62 5491
63 3332
64 541
65 27
66 11

List of values

[1, 1, 2, 1, 3, 3, 1, 4, 5, 4, 1, 5, 9, 8, 5, 1, 6, 15, 20, 10, 6, 1, 7, 23, 46, 37, 14, 7, 1, 8, 33, 92, 128, 76, 16, 8, 1, 9, 45, 164, 349, 384, 141, 20, 9, 1, 10, 59, 268, 790, 1394, 1114, 280, 23, 10, 1, 11, 75, 410, 1565, 3946, 5491, 3332, 541, 27, 11]