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A121080 as a simple table

n a(n)
0 1
1 4
2 37
3 541
4 10625
5 258661
6 7464625
7 248318309
8 9339986689
9 391569431365
10 18095180332721
11 913513359466885
12 50008961524486849
13 2950209091316054309
14 186558089772409191985
15 12587159519294553302821
16 902488447534988078746625
17 68518909362619336345906309

[1,4,37,541,10625,258661,7464625,248318309,
 9339986689,391569431365,18095180332721,
 913513359466885,50008961524486849,
 2950209091316054309,186558089772409191985,
 12587159519294553302821,902488447534988078746625,
 68518909362619336345906309]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)