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.

A163940 Triangle related to the divergent series 1^m*1! - 2^m*2! + 3^m*3! - 4^m*4! + ... for m >= -1.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 2
5 0
6 1
7 5
8 3
9 0
10 1
11 9
12 17
13 4
14 0
15 1
16 14
17 52
18 49
19 5
20 0
21 1
22 20
23 121
24 246
25 129
26 6
27 0
28 1
29 27
30 240
31 834
32 1039
33 321
34 7
35 0
36 1
37 35
38 428
39 2250
40 5037
41 4083
42 769
43 8
44 0
45 1
46 44
47 707
48 5214
49 18201
50 27918
51 15274
52 1793
53 9
54 0
55 1
56 54
57 1102
58 10829
59 54111
60 133530
61 145777
62 55152
63 4097
64 10
65 0

List of values

[1, 1, 0, 1, 2, 0, 1, 5, 3, 0, 1, 9, 17, 4, 0, 1, 14, 52, 49, 5, 0, 1, 20, 121, 246, 129, 6, 0, 1, 27, 240, 834, 1039, 321, 7, 0, 1, 35, 428, 2250, 5037, 4083, 769, 8, 0, 1, 44, 707, 5214, 18201, 27918, 15274, 1793, 9, 0, 1, 54, 1102, 10829, 54111, 133530, 145777, 55152, 4097, 10, 0]