n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 9 |
4 | 9 |
5 | 30 |
6 | 66 |
7 | 106 |
8 | 274 |
9 | 459 |
10 | 1010 |
11 | 1862 |
12 | 3552 |
13 | 6973 |
14 | 12446 |
15 | 24245 |
16 | 43041 |
17 | 80372 |
18 | 144482 |
19 | 259633 |
20 | 468047 |
21 | 822642 |
22 | 1468714 |
23 | 2556542 |
24 | 4493704 |
25 | 7782441 |
26 | 13470564 |
27 | 23204471 |
28 | 39679759 |
29 | 67855411 |
30 | 115004992 |
31 | 194984378 |
32 | 328183865 |
33 | 551595570 |
34 | 922663665 |
[1,1,1,9,9,30,66,106,274,459,1010,1862,3552,6973, 12446,24245,43041,80372,144482,259633,468047, 822642,1468714,2556542,4493704,7782441,13470564, 23204471,39679759,67855411,115004992,194984378, 328183865,551595570,922663665] |