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A222428 as a simple table

n a(n)
1 4
2 36
3 298
4 7929
5 77053
6 2601092
7 28654054
8 1031825766
9 11887826140
10 435680320590
11 5083894845555
12 187837607291427
13 2206718413576904
14 81926552529032816
15 966535136365083102
16 36010552757817373905 

[4,36,298,7929,77053,2601092,28654054,1031825766,
 11887826140,435680320590,5083894845555,
 187837607291427,2206718413576904,
 81926552529032816,966535136365083102,
 36010552757817373905]

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Last modified June 6 18:20 EDT 2024. Contains 373134 sequences. (Running on oeis4.)