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A337390 as a simple table

n a(n)
0 1
1 4
2 34
3 328
4 3334
5 34904
6 372436
7 4027216
8 43976774
9 483860632
10 5355697084
11 59569288816
12 665238165916
13 7454247891952
14 83769667651816
15 943744775565728
16 10655369806377542
17 120535523282756632
18 1365840013196530348
19 15500428304345011504
20 176148760580561346484

[1,4,34,328,3334,34904,372436,4027216,43976774,
 483860632,5355697084,59569288816,665238165916,
 7454247891952,83769667651816,943744775565728,
 10655369806377542,120535523282756632,
 1365840013196530348,15500428304345011504,
 176148760580561346484]

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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)