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.

A383023 Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) is the n-th term of the inverse Weigh transform of j-> k^j.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 3
6 0
7 4
8 6
9 2
10 1
11 5
12 10
13 8
14 6
15 0
16 6
17 15
18 20
19 24
20 6
21 0
22 7
23 21
24 40
25 70
26 48
27 11
28 0
29 8
30 28
31 70
32 165
33 204
34 124
35 18
36 1
37 9
38 36
39 112
40 336
41 624
42 690
43 312
44 36
45 0
46 10
47 45
48 168
49 616
50 1554
51 2620
52 2340
53 834
54 56
55 0
56 11
57 55
58 240
59 1044
60 3360
61 7805
62 11160
63 8230
64 2184
65 105
66 0

List of values

[1, 2, 1, 3, 3, 0, 4, 6, 2, 1, 5, 10, 8, 6, 0, 6, 15, 20, 24, 6, 0, 7, 21, 40, 70, 48, 11, 0, 8, 28, 70, 165, 204, 124, 18, 1, 9, 36, 112, 336, 624, 690, 312, 36, 0, 10, 45, 168, 616, 1554, 2620, 2340, 834, 56, 0, 11, 55, 240, 1044, 3360, 7805, 11160, 8230, 2184, 105, 0]