n | a(n) |
---|---|
0 | 3 |
1 | 10 |
2 | 32 |
3 | 84 |
4 | 207 |
5 | 478 |
6 | 1060 |
7 | 2272 |
8 | 4744 |
9 | 9692 |
10 | 19446 |
11 | 38420 |
12 | 74909 |
13 | 144378 |
14 | 275464 |
15 | 520864 |
16 | 977005 |
17 | 1819426 |
18 | 3366182 |
19 | 6191056 |
20 | 11325040 |
21 | 20613800 |
22 | 37350060 |
23 | 67389320 |
24 | 121113335 |
25 | 216877274 |
26 | 387048080 |
27 | 688559356 |
28 | 1221323947 |
[3,10,32,84,207,478,1060,2272,4744,9692,19446, 38420,74909,144378,275464,520864,977005,1819426, 3366182,6191056,11325040,20613800,37350060, 67389320,121113335,216877274,387048080,688559356, 1221323947] |