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A205048 as a simple table

n a(n)
1 81
2 243
3 803
4 2892
5 10948
6 43261
7 174282
8 709813
9 2904299
10 11912535
11 48917149
12 200991165
13 826074359
14 3395693794
15 13959599701
16 57390029458
17 235944613954
18 970038942121
19 3988147567016
20 16396640414068
21 67412338625033 

[81,243,803,2892,10948,43261,174282,709813,
 2904299,11912535,48917149,200991165,826074359,
 3395693794,13959599701,57390029458,235944613954,
 970038942121,3988147567016,16396640414068,
 67412338625033]

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Last modified May 13 02:41 EDT 2024. Contains 372497 sequences. (Running on oeis4.)