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A181350 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 3
5 2
6 15
7 5
8 210
9 105
10 210
11 35
12 2310
13 693
14 6006
15 36036
16 2145
17 90090
18 765765
19 1531530
20 106590
21 1711710
22 5819814
23 5290740
24 334639305
25 30421755
26 334639305
27 9561123
28 74364290
29 39369330

[1,1,1,2,3,2,15,5,210,105,210,35,2310,693,6006,
 36036,2145,90090,765765,1531530,106590,1711710,
 5819814,5290740,334639305,30421755,334639305,
 9561123,74364290,39369330]

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Last modified September 22 07:43 EDT 2021. Contains 347605 sequences. (Running on oeis4.)