n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 10 |
4 | 40 |
5 | 67 |
6 | 262 |
7 | 449 |
8 | 1572 |
9 | 2915 |
10 | 8876 |
11 | 16452 |
12 | 51811 |
13 | 93789 |
14 | 271500 |
15 | 518378 |
16 | 1457658 |
17 | 2734005 |
18 | 7584475 |
19 | 14282412 |
20 | 38649578 |
21 | 73773173 |
22 | 193491639 |
23 | 369696321 |
24 | 971226618 |
25 | 1845956358 |
26 | 4730626121 |
27 | 9114534520 |
28 | 23083308650 |
29 | 44287157822 |
[1,1,5,10,40,67,262,449,1572,2915,8876,16452, 51811,93789,271500,518378,1457658,2734005,7584475, 14282412,38649578,73773173,193491639,369696321, 971226618,1845956358,4730626121,9114534520, 23083308650,44287157822] |