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A121630 as a simple table

n a(n)
0 1
1 4
2 29
3 302
4 4089
5 68056
6 1342949
7 30635074
8 792915057
9 22952573484
10 734630159341
11 25757268041814
12 981687991859689
13 40407710444419072
14 1786311057929722549
15 84404172618241446506
16 4244839086310722228449

[1,4,29,302,4089,68056,1342949,30635074,792915057,
 22952573484,734630159341,25757268041814,
 981687991859689,40407710444419072,
 1786311057929722549,84404172618241446506,
 4244839086310722228449]

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Last modified August 20 23:38 EDT 2019. Contains 326155 sequences. (Running on oeis4.)