n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 11 |
4 | 20 |
5 | 36 |
6 | 64 |
7 | 113 |
8 | 199 |
9 | 350 |
10 | 615 |
11 | 1080 |
12 | 1896 |
13 | 3328 |
14 | 5841 |
15 | 10251 |
16 | 17990 |
17 | 31571 |
18 | 55404 |
19 | 97228 |
20 | 170624 |
21 | 299425 |
22 | 525455 |
23 | 922110 |
24 | 1618191 |
25 | 2839728 |
26 | 4983376 |
27 | 8745216 |
28 | 15346785 |
29 | 26931731 |
30 | 47261894 |
31 | 82938843 |
32 | 145547524 |
33 | 255418100 |
34 | 448227520 |
35 | 786584465 |
[1,3,6,11,20,36,64,113,199,350,615,1080,1896,3328, 5841,10251,17990,31571,55404,97228,170624,299425, 525455,922110,1618191,2839728,4983376,8745216, 15346785,26931731,47261894,82938843,145547524, 255418100,448227520,786584465] |