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A218763 as a simple table

n a(n)
1 21
2 373
3 8697
4 170148
5 3488015
6 70915451
7 1444700004
8 29426750811
9 599056249102
10 12196183065261
11 248303130737344
12 5055219016095223
13 102918285280874701
14 2095289674633493599
15 42657543159685926011
16 868455498699347842027

[21,373,8697,170148,3488015,70915451,1444700004,
 29426750811,599056249102,12196183065261,
 248303130737344,5055219016095223,
 102918285280874701,2095289674633493599,
 42657543159685926011,868455498699347842027]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)