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A168238 as a simple table

n a(n)
1 1
2 4
3 29
4 263
5 2724
6 30554
7 361677
8 4454273
9 56546511
10 735298671
11 9749613914
12 131377492010
13 1794546880363
14 24798396567242
15 346130144084641
16 4873560434459530
17 69149450121948083
18 987844051312409668
19 14198028410251734447
20 205181815270346718199

[1,4,29,263,2724,30554,361677,4454273,56546511,
 735298671,9749613914,131377492010,1794546880363,
 24798396567242,346130144084641,4873560434459530,
 69149450121948083,987844051312409668,
 14198028410251734447,205181815270346718199]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)