n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 4 |
6 | 7 |
7 | 13 |
8 | 25 |
9 | 67 |
10 | 157 |
11 | 316 |
12 | 1195 |
13 | 2635 |
14 | 9910 |
15 | 21796 |
16 | 33268 |
17 | 108541 |
18 | 264685 |
19 | 566431 |
20 | 1384927 |
21 | 2251855 |
22 | 10267813 |
23 | 23278831 |
24 | 68031385 |
25 | 119376340 |
26 | 223452859 |
27 | 339327088 |
28 | 1399568407 |
29 | 3282220573 |
30 | 12169858759 |
31 | 23849465446 |
32 | 130434244321 |
33 | 294426858097 |
[1,1,1,1,4,7,13,25,67,157,316,1195,2635,9910, 21796,33268,108541,264685,566431,1384927,2251855, 10267813,23278831,68031385,119376340,223452859, 339327088,1399568407,3282220573,12169858759, 23849465446,130434244321,294426858097] |