n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 9 |
3 | 84 |
4 | 783 |
5 | 7299 |
6 | 68040 |
7 | 634257 |
8 | 5912433 |
9 | 55114668 |
10 | 513769311 |
11 | 4789267803 |
12 | 44644718160 |
13 | 416170266849 |
14 | 3879466556121 |
15 | 36163709805636 |
16 | 337111787919087 |
17 | 3142497220688691 |
18 | 29293810349955480 |
19 | 273071784811665393 |
20 | 2545527494354854977 |
21 | 23728962803628690972 |
[0,1,9,84,783,7299,68040,634257,5912433,55114668, 513769311,4789267803,44644718160,416170266849, 3879466556121,36163709805636,337111787919087, 3142497220688691,29293810349955480, 273071784811665393,2545527494354854977, 23728962803628690972] |