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A004998 as a simple table

n a(n)
0 1
1 66
2 3366
3 154836
4 6735366
5 282885372
6 11598300252
7 467245810152
8 18573020953542
9 730538824172652
10 28491014142733428
11 1103379274982221848
12 42480102086815541148
13 1627314679941087653208
14 62070431363467200486648
15 2358676391811753618492624
16 89334868339870168300408134 

[1,66,3366,154836,6735366,282885372,11598300252,
 467245810152,18573020953542,730538824172652,
 28491014142733428,1103379274982221848,
 42480102086815541148,1627314679941087653208,
 62070431363467200486648,2358676391811753618492624,
 89334868339870168300408134]

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Last modified May 13 08:41 EDT 2024. Contains 372498 sequences. (Running on oeis4.)