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A201977 as a simple table

n a(n)
1 4
2 131
3 9260
4 408599
5 8002304
6 91893727
7 729771318
8 4412536785
9 21616887220
10 89573637672
11 323882961806
12 1046082959963
13 3072688515840
14 8324694513560
15 21037789421604
16 50045713319142
17 112903666194660
18 243057004503527

[4,131,9260,408599,8002304,91893727,729771318,
 4412536785,21616887220,89573637672,323882961806,
 1046082959963,3072688515840,8324694513560,
 21037789421604,50045713319142,112903666194660,
 243057004503527]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)