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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.

A225476 Triangle read by rows, k!*2^k*S_2(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 2
6 1
7 13
8 18
9 6
10 1
11 40
12 116
13 96
14 24
15 1
16 121
17 660
18 1020
19 600
20 120
21 1
22 364
23 3542
24 9120
25 9480
26 4320
27 720
28 1
29 1093
30 18438
31 74466
32 121800
33 94920
34 35280
35 5040
36 1
37 3280
38 94376
39 576576
40 1394064
41 1653120
42 1028160
43 322560
44 40320
45 1
46 9841
47 478440
48 4319160

List of values

[1, 1, 1, 1, 4, 2, 1, 13, 18, 6, 1, 40, 116, 96, 24, 1, 121, 660, 1020, 600, 120, 1, 364, 3542, 9120, 9480, 4320, 720, 1, 1093, 18438, 74466, 121800, 94920, 35280, 5040, 1, 3280, 94376, 576576, 1394064, 1653120, 1028160, 322560, 40320, 1, 9841, 478440, 4319160]