n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 16 |
5 | 37 |
6 | 95 |
7 | 230 |
8 | 582 |
9 | 1434 |
10 | 3606 |
11 | 8952 |
12 | 22446 |
13 | 55917 |
14 | 140007 |
15 | 349374 |
16 | 874150 |
17 | 2183230 |
18 | 5460506 |
19 | 13643972 |
20 | 34118328 |
21 | 85270626 |
22 | 213205958 |
23 | 532926716 |
24 | 1332420796 |
25 | 3330739972 |
26 | 8327221380 |
27 | 20816939100 |
28 | 52043684970 |
29 | 130105200765 |
30 | 325267849335 |
31 | 813155081070 |
[1,1,3,6,16,37,95,230,582,1434,3606,8952,22446, 55917,140007,349374,874150,2183230,5460506, 13643972,34118328,85270626,213205958,532926716, 1332420796,3330739972,8327221380,20816939100, 52043684970,130105200765,325267849335, 813155081070] |