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A246971 as a simple table

n a(n)
0 1
1 2
2 1
3 6
4 3
5 1
6 20
7 10
8 4
9 1
10 70
11 35
12 15
13 5
14 1
15 248
16 126
17 56
18 21
19 6
20 1
21 894
22 457
23 210
24 84
25 28
26 7
27 1
28 3264
29 1674
30 786
31 330
32 120
33 36
34 8
35 1
36 12036
37 6183
38 2947
39 1280
40 495
41 165
42 45
43 9
44 1
45 44722
46 22997
47 11080
48 4933
49 1994
50 715
51 220
52 55
53 10
54 1

[1,2,1,6,3,1,20,10,4,1,70,35,15,5,1,248,126,56,21,
 6,1,894,457,210,84,28,7,1,3264,1674,786,330,120,
 36,8,1,12036,6183,2947,1280,495,165,45,9,1,44722,
 22997,11080,4933,1994,715,220,55,10,1]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)