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A163020 as a simple table

n a(n)
1 1
2 12
3 82
4 469
5 2502
6 12966
7 66325
8 337222
9 1709652
10 8655795
11 43794966
12 221516992
13 1120277983
14 5665183308
15 28647552996
16 144861882889
17 732516467528
18 3704069018506
19 18730095418683
20 94711027286382
21 478917748054834

[1,12,82,469,2502,12966,66325,337222,1709652,
 8655795,43794966,221516992,1120277983,5665183308,
 28647552996,144861882889,732516467528,
 3704069018506,18730095418683,94711027286382,
 478917748054834]

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)