n | a(n) |
---|---|
0 | 1 |
1 | 33 |
2 | 421 |
3 | 3171 |
4 | 16954 |
5 | 71148 |
6 | 249228 |
7 | 758934 |
8 | 2066559 |
9 | 5135845 |
10 | 11828817 |
11 | 25546885 |
12 | 52216164 |
13 | 101751664 |
14 | 190171248 |
15 | 342572508 |
16 | 597234429 |
17 | 1011161361 |
18 | 1667449861 |
19 | 2684929863 |
20 | 4230610846 |
21 | 6535551660 |
22 | 9914869900 |
23 | 14792713650 |
24 | 21733135515 |
25 | 31477936581 |
[1,33,421,3171,16954,71148,249228,758934,2066559, 5135845,11828817,25546885,52216164,101751664, 190171248,342572508,597234429,1011161361, 1667449861,2684929863,4230610846,6535551660, 9914869900,14792713650,21733135515,31477936581] |