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A053780 as a simple table

n a(n)
1 4
2 434
3 505
4 18781
5 27072
6 33633
7 1254521
8 3360633
9 5989895
10 9145419
11 10411401
12 161101161
13 390949093
14 795303597
15 935424539
16 25127372152
17 77753535777
18 1997671767991
19 2300809080032
20 3754911194573
21 6476856586746
22 9825337335289

[4,434,505,18781,27072,33633,1254521,3360633,
 5989895,9145419,10411401,161101161,390949093,
 795303597,935424539,25127372152,77753535777,
 1997671767991,2300809080032,3754911194573,
 6476856586746,9825337335289]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)