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A034430 as a simple table

n a(n)
0 1
1 2
2 7
3 36
4 249
5 2190
6 23535
7 299880
8 4426065
9 74294010
10 1397669175
11 29123671500
12 665718201225
13 16560190196550
14 445300709428575
15 12869793995058000
16 397815487883438625
17 13095523164781307250
18 457362512442763302375
19 16890682269050394304500

[1,2,7,36,249,2190,23535,299880,4426065,74294010,
 1397669175,29123671500,665718201225,
 16560190196550,445300709428575,12869793995058000,
 397815487883438625,13095523164781307250,
 457362512442763302375,16890682269050394304500]

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Last modified February 20 13:58 EST 2020. Contains 332078 sequences. (Running on oeis4.)