n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 4 |
5 | 9 |
6 | 10 |
7 | 27 |
8 | 70 |
9 | 57 |
10 | 100 |
11 | 267 |
12 | 1060 |
13 | 1227 |
14 | 27790 |
15 | 1479 |
16 | 146380 |
17 | 3459 |
18 | 2508040 |
19 | 49527 |
20 | 35506900 |
21 | 470079 |
[1,2,3,4,9,10,27,70,57,100,267,1060,1227,27790, 1479,146380,3459,2508040,49527,35506900,470079] |