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.

A362043 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * binomial(n-2*j,j)/(n-2*j)!.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 2
14 1
15 1
16 1
17 1
18 3
19 5
20 1
21 1
22 1
23 1
24 4
25 9
26 11
27 1
28 1
29 1
30 1
31 5
32 13
33 21
34 31
35 1
36 1
37 1
38 1
39 6
40 17
41 31
42 81
43 106
44 1
45 1
46 1
47 1
48 7
49 21
50 41
51 151
52 351
53 337
54 1
55 1
56 1
57 1
58 8
59 25
60 51
61 241
62 736
63 1233
64 1205
65 1
66 1
67 1
68 1
69 9
70 29
71 61
72 351
73 1261
74 2689
75 5769
76 5021
77 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 5, 1, 1, 1, 1, 4, 9, 11, 1, 1, 1, 1, 5, 13, 21, 31, 1, 1, 1, 1, 6, 17, 31, 81, 106, 1, 1, 1, 1, 7, 21, 41, 151, 351, 337, 1, 1, 1, 1, 8, 25, 51, 241, 736, 1233, 1205, 1, 1, 1, 1, 9, 29, 61, 351, 1261, 2689, 5769, 5021, 1]