n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 3 |
7 | 9 |
8 | 25 |
9 | 66 |
10 | 165 |
11 | 394 |
12 | 914 |
13 | 2068 |
14 | 4607 |
15 | 10093 |
16 | 21818 |
17 | 46592 |
18 | 98498 |
19 | 206452 |
20 | 429670 |
21 | 888818 |
22 | 1829005 |
23 | 3746802 |
24 | 7645511 |
25 | 15549306 |
26 | 31534322 |
27 | 63800562 |
28 | 128823111 |
29 | 259678348 |
30 | 522715526 |
31 | 1050957282 |
32 | 2110953835 |
33 | 4236623798 |
34 | 8497083721 |
35 | 17032615177 |
[0,0,0,0,0,1,3,9,25,66,165,394,914,2068,4607, 10093,21818,46592,98498,206452,429670,888818, 1829005,3746802,7645511,15549306,31534322, 63800562,128823111,259678348,522715526,1050957282, 2110953835,4236623798,8497083721,17032615177] |