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.

A209631 Square array A(n,k), n>=0, k>=0, read by antidiagonals, A(n,k) = exponential transform applied n times to identity function, evaluated at k.

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 3
9 3
10 1
11 1
12 4
13 10
14 4
15 1
16 1
17 5
18 20
19 41
20 5
21 1
22 1
23 6
24 33
25 127
26 196
27 6
28 1
29 1
30 7
31 49
32 280
33 967
34 1057
35 7
36 1
37 1
38 8
39 68
40 518
41 2883
42 8549
43 6322
44 8
45 1
46 1
47 9
48 90
49 859
50 6689
51 34817
52 85829
53 41393
54 9
55 1
56 1
57 10
58 115
59 1321
60 13310
61 101841
62 481477

List of values

[0, 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 10, 4, 1, 1, 5, 20, 41, 5, 1, 1, 6, 33, 127, 196, 6, 1, 1, 7, 49, 280, 967, 1057, 7, 1, 1, 8, 68, 518, 2883, 8549, 6322, 8, 1, 1, 9, 90, 859, 6689, 34817, 85829, 41393, 9, 1, 1, 10, 115, 1321, 13310, 101841, 481477]