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.

A367198 T(n, k) = Sum_{m = 0..n-1} Stirling1(m+1, k)*binomial(n, m)*(-1)^(n + k), where "Stirling1" are the signed Stirling numbers of the first kind.

Table of values

n a(n)
1 1
2 1
3 2
4 4
5 6
6 3
7 15
8 30
9 18
10 4
11 76
12 165
13 125
14 40
15 5
16 455
17 1075
18 930
19 380
20 75
21 6
22 3186
23 8015
24 7679
25 3675
26 945
27 126
28 7
29 25487
30 67536
31 70042
32 37688
33 11550
34 2044
35 196
36 8
37 229384
38 634935
39 702372
40 414078
41 144417
42 30870
43 3990
44 288
45 9
46 2293839
47 6591943
48 7696245
49 4886390
50 1885065
51 463092
52 73080
53 7200
54 405
55 10

List of values

[1, 1, 2, 4, 6, 3, 15, 30, 18, 4, 76, 165, 125, 40, 5, 455, 1075, 930, 380, 75, 6, 3186, 8015, 7679, 3675, 945, 126, 7, 25487, 67536, 70042, 37688, 11550, 2044, 196, 8, 229384, 634935, 702372, 414078, 144417, 30870, 3990, 288, 9, 2293839, 6591943, 7696245, 4886390, 1885065, 463092, 73080, 7200, 405, 10]