n | a(n) |
---|---|
1 | 1015 |
2 | 1361 |
3 | 4715 |
4 | 14106 |
5 | 48435 |
6 | 153144 |
7 | 561724 |
8 | 1703644 |
9 | 6132232 |
10 | 19020918 |
11 | 68690527 |
12 | 210960310 |
13 | 762494362 |
14 | 2350497978 |
15 | 8485691418 |
16 | 26128594224 |
17 | 94398007523 |
18 | 290731525710 |
19 | 1049987329395 |
20 | 3233854822566 |
21 | 11680868423504 |
[1015,1361,4715,14106,48435,153144,561724,1703644, 6132232,19020918,68690527,210960310,762494362, 2350497978,8485691418,26128594224,94398007523, 290731525710,1049987329395,3233854822566, 11680868423504] |