n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 15 |
6 | 75 |
7 | 219 |
8 | 1335 |
9 | 3246 |
10 | 4975 |
11 | 5475 |
12 | 7775 |
13 | 8922 |
14 | 28614 |
15 | 67675 |
16 | 69998 |
17 | 103135 |
18 | 313609 |
19 | 548983 |
20 | 624193 |
21 | 6539595 |
22 | 13193562 |
23 | 26383395 |
24 | 111892866 |
25 | 315953675 |
26 | 5330142066 |
27 | 33738816835 |
28 | 66899423586 |
29 | 336966134829 |
30 | 645835313441 |
31 | 742199683475 |
32 | 1244107219389 |
33 | 10187548490537 |
34 | 760354210440662 |
[1,2,3,6,15,75,219,1335,3246,4975,5475,7775,8922, 28614,67675,69998,103135,313609,548983,624193, 6539595,13193562,26383395,111892866,315953675, 5330142066,33738816835,66899423586,336966134829, 645835313441,742199683475,1244107219389, 10187548490537,760354210440662] |