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.

A384861 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384857.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 7
9 0
10 1
11 3
12 16
13 46
14 0
15 1
16 4
17 27
18 134
19 361
20 0
21 1
22 5
23 40
24 270
25 1384
26 -6284
27 0
28 1
29 6
30 55
31 460
32 3321
33 -2518
34 -632951
35 0
36 1
37 7
38 72
39 710
40 6448
41 18468
42 -1223180
43 -31583474
44 0
45 1
46 8
47 91
48 1026
49 11065
50 65524
51 -1591407
52 -72713338
53 -1484748191
54 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 7, 0, 1, 3, 16, 46, 0, 1, 4, 27, 134, 361, 0, 1, 5, 40, 270, 1384, -6284, 0, 1, 6, 55, 460, 3321, -2518, -632951, 0, 1, 7, 72, 710, 6448, 18468, -1223180, -31583474, 0, 1, 8, 91, 1026, 11065, 65524, -1591407, -72713338, -1484748191, 0]