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A276312 as a simple table

n a(n)
0 1
1 1
2 1
3 5
4 31
5 246
6 2353
7 26585
8 345775
9 5094220
10 83833256
11 1524414737
12 30353430420
13 656851828075
14 15350023574061
15 385261255931365
16 10335781852020335
17 295166535640444376
18 8939894824857438940
19 286234265613041061128
20 9659753724363828753408

[1,1,1,5,31,246,2353,26585,345775,5094220,
 83833256,1524414737,30353430420,656851828075,
 15350023574061,385261255931365,10335781852020335,
 295166535640444376,8939894824857438940,
 286234265613041061128,9659753724363828753408]

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Last modified April 19 17:46 EDT 2021. Contains 343117 sequences. (Running on oeis4.)