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A225419 as a simple table

n a(n)
0 1
1 1
2 4
3 1
4 6
5 15
6 1
7 8
8 28
9 56
10 1
11 10
12 45
13 120
14 210
15 1
16 12
17 66
18 220
19 495
20 792
21 1
22 14
23 91
24 364
25 1001
26 2002
27 3003
28 1
29 16
30 120
31 560
32 1820
33 4368
34 8008
35 11440
36 1
37 18
38 153
39 816
40 3060
41 8568
42 18564
43 31824
44 43758
45 1
46 20
47 190

[1,1,4,1,6,15,1,8,28,56,1,10,45,120,210,1,12,66,
 220,495,792,1,14,91,364,1001,2002,3003,1,16,120,
 560,1820,4368,8008,11440,1,18,153,816,3060,8568,
 18564,31824,43758,1,20,190]

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)