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A138464 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 3
7 1
8 6
9 15
10 16
11 1
12 10
13 45
14 110
15 125
16 1
17 15
18 105
19 435
20 1080
21 1296
22 1
23 21
24 210
25 1295
26 5250
27 13377
28 16807
29 1
30 28
31 378
32 3220
33 18865
34 76608
35 200704
36 262144
37 1
38 36
39 630
40 7056
41 55755
42 320544
43 1316574
44 3542940
45 4782969
46 1
47 45
48 990
49 14070
50 143325
51 1092105
52 6258000
53 26100000
54 72000000
55 100000000

[1,1,1,1,3,3,1,6,15,16,1,10,45,110,125,1,15,105,
 435,1080,1296,1,21,210,1295,5250,13377,16807,1,28,
 378,3220,18865,76608,200704,262144,1,36,630,7056,
 55755,320544,1316574,3542940,4782969,1,45,990,
 14070,143325,1092105,6258000,26100000,72000000,
 100000000]

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)