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A233688 as a simple table

n a(n)
1 3940
2 64756
3 1095164
4 19588516
5 350631128
6 6324816860
7 113995582540
8 2057970474012
9 37133987692488
10 670381088418328
11 12099509545057848
12 218421025411832340
13 3942529399269404948
14 71168489691941827604

[3940,64756,1095164,19588516,350631128,6324816860,
 113995582540,2057970474012,37133987692488,
 670381088418328,12099509545057848,
 218421025411832340,3942529399269404948,
 71168489691941827604]

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Last modified December 4 17:03 EST 2021. Contains 349526 sequences. (Running on oeis4.)