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A020568 as a simple table

n a(n)
0 1
1 27
2 499
3 7863
4 113731
5 1561647
6 20724139
7 268611543
8 3422947891
9 43073421567
10 536871293179
11 6642406690023
12 81708636139651
13 1000502412972687
14 12206022852156619
15 148472243708301303

[1,27,499,7863,113731,1561647,20724139,268611543,
 3422947891,43073421567,536871293179,6642406690023,
 81708636139651,1000502412972687,12206022852156619,
 148472243708301303]

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)