n | a(n) |
---|---|
0 | 1 |
1 | 45 |
2 | 1034 |
3 | 16170 |
4 | 193544 |
5 | 1890624 |
6 | 15695085 |
7 | 113852001 |
8 | 736452870 |
9 | 4313931566 |
10 | 23162284321 |
11 | 115106177245 |
12 | 533700057015 |
13 | 2324210876515 |
14 | 9560626910011 |
15 | 37327619195919 |
16 | 138907067703060 |
17 | 494486307393900 |
18 | 1689330735102480 |
[1,45,1034,16170,193544,1890624,15695085, 113852001,736452870,4313931566,23162284321, 115106177245,533700057015,2324210876515, 9560626910011,37327619195919,138907067703060, 494486307393900,1689330735102480] |