n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 9 |
3 | 30 |
4 | 114 |
5 | 445 |
6 | 1821 |
7 | 7671 |
8 | 33118 |
9 | 145713 |
10 | 650133 |
11 | 2934858 |
12 | 13375865 |
13 | 61444585 |
14 | 284140656 |
15 | 1321453490 |
16 | 6175961983 |
17 | 28988040005 |
18 | 136575061279 |
19 | 645620925545 |
20 | 3061129684411 |
21 | 14552990145243 |
22 | 69354801708586 |
23 | 331251325552977 |
24 | 1585299642009257 |
25 | 7600886353341754 |
26 | 36504944044424979 |
27 | 175596829407110803 |
28 | 845879609035799508 |
29 | 4080206964520522386 |
30 | 19705939422430380037 |
31 | 95283357078617397618 |
32 | 461221032128956299315 |
[0,3,9,30,114,445,1821,7671,33118,145713,650133, 2934858,13375865,61444585,284140656,1321453490, 6175961983,28988040005,136575061279,645620925545, 3061129684411,14552990145243,69354801708586, 331251325552977,1585299642009257,7600886353341754, 36504944044424979,175596829407110803, 845879609035799508,4080206964520522386, 19705939422430380037,95283357078617397618, 461221032128956299315] |