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A195538 as a simple table

n a(n)
1 5
2 12
3 145
4 420
5 4901
6 14280
7 166465
8 485112
9 5654885
10 16479540
11 192099601
12 559819260
13 6525731525
14 19017375312
15 221682772225
16 646030941360
17 7530688524101
18 21946034630940
19 255821727047185
20 745519146510612
21 8690408031080165

[5,12,145,420,4901,14280,166465,485112,5654885,
 16479540,192099601,559819260,6525731525,
 19017375312,221682772225,646030941360,
 7530688524101,21946034630940,255821727047185,
 745519146510612,8690408031080165]

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Last modified December 5 21:00 EST 2019. Contains 329779 sequences. (Running on oeis4.)