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A109876 as a simple table

n a(n)
1 1
2 3
3 2
4 6
5 11
6 6
7 10
8 24
9 50
10 24
11 15
12 45
13 120
14 274
15 120
16 21
17 76
18 252
19 720
20 1764
21 720
22 28
23 119
24 476
25 1680
26 5040
27 13068
28 5040
29 36
30 176
31 828
32 3520
33 12960
34 40320
35 109584
36 40320
37 45
38 249
39 1350
40 6750
41 29880
42 113400
43 362880
44 1026576
45 362880
46 55
47 340
48 2090
49 12048

[1,3,2,6,11,6,10,24,50,24,15,45,120,274,120,21,76,
 252,720,1764,720,28,119,476,1680,5040,13068,5040,
 36,176,828,3520,12960,40320,109584,40320,45,249,
 1350,6750,29880,113400,362880,1026576,362880,55,
 340,2090,12048]

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Last modified August 10 19:52 EDT 2020. Contains 336381 sequences. (Running on oeis4.)