n | a(n) |
---|---|
1 | 0 |
2 | 31 |
3 | 291 |
4 | 2421 |
5 | 20047 |
6 | 167493 |
7 | 1414416 |
8 | 12055582 |
9 | 103547007 |
10 | 895037251 |
11 | 7777564986 |
12 | 67886919436 |
13 | 594812780492 |
14 | 5228677322789 |
15 | 46092207649088 |
16 | 407310913585540 |
17 | 3607044214789103 |
18 | 32002805595571724 |
19 | 284404590208016926 |
[0,31,291,2421,20047,167493,1414416,12055582, 103547007,895037251,7777564986,67886919436, 594812780492,5228677322789,46092207649088, 407310913585540,3607044214789103, 32002805595571724,284404590208016926] |