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A318108 as a simple table

n a(n)
0 1
1 3
2 27
3 303
4 3771
5 49653
6 677979
7 9496791
8 135572859
9 1963940073
10 28783474677
11 425872190241
12 6350923156059
13 95341185353781
14 1439433069482547
15 21839152342265703
16 332769145298428539
17 5089688869615075521
18 78108038975852093889
19 1202268428203687094493
20 18555675891246972931221

[1,3,27,303,3771,49653,677979,9496791,135572859,
 1963940073,28783474677,425872190241,6350923156059,
 95341185353781,1439433069482547,21839152342265703,
 332769145298428539,5089688869615075521,
 78108038975852093889,1202268428203687094493,
 18555675891246972931221]

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Last modified October 26 11:59 EDT 2021. Contains 348267 sequences. (Running on oeis4.)