n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 28 |
4 | 251 |
5 | 3126 |
6 | 46632 |
7 | 823544 |
8 | 16776955 |
9 | 387420517 |
10 | 9999996878 |
11 | 285311670612 |
12 | 8916100401824 |
13 | 302875106592254 |
14 | 11112006824734476 |
15 | 437893890380862528 |
16 | 18446744073692774139 |
17 | 827240261886336764178 |
18 | 39346408075296150201567 |
19 | 1978419655660313589123980 |
20 | 104857599999999989999997126 |
[1,3,28,251,3126,46632,823544,16776955,387420517, 9999996878,285311670612,8916100401824, 302875106592254,11112006824734476, 437893890380862528,18446744073692774139, 827240261886336764178,39346408075296150201567, 1978419655660313589123980, 104857599999999989999997126] |