n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 12 |
6 | 28 |
7 | 81 |
8 | 177 |
9 | 410 |
10 | 906 |
11 | 1869 |
12 | 4001 |
13 | 8094 |
14 | 16032 |
15 | 32355 |
16 | 62499 |
17 | 120078 |
18 | 227880 |
19 | 436743 |
20 | 805797 |
21 | 1487920 |
22 | 2751618 |
23 | 5017143 |
24 | 9063625 |
25 | 16153560 |
26 | 29066676 |
27 | 51334289 |
28 | 90784671 |
29 | 157941132 |
30 | 275244344 |
31 | 478874505 |
32 | 823848357 |
33 | 1412686722 |
34 | 2400778830 |
35 | 4091929101 |
[0,0,1,3,12,28,81,177,410,906,1869,4001,8094, 16032,32355,62499,120078,227880,436743,805797, 1487920,2751618,5017143,9063625,16153560,29066676, 51334289,90784671,157941132,275244344,478874505, 823848357,1412686722,2400778830,4091929101] |