n | a(n) |
---|---|
1 | 0 |
2 | 6 |
3 | 42 |
4 | 166 |
5 | 612 |
6 | 1649 |
7 | 4501 |
8 | 9772 |
9 | 21631 |
10 | 39911 |
11 | 78602 |
12 | 131634 |
13 | 234593 |
14 | 361145 |
15 | 603810 |
16 | 883492 |
17 | 1396448 |
18 | 1928226 |
19 | 2949092 |
20 | 3948312 |
21 | 5771436 |
22 | 7496953 |
23 | 10742472 |
24 | 13520820 |
25 | 18931459 |
26 | 23338564 |
27 | 31813882 |
28 | 38799595 |
29 | 52158316 |
30 | 61609006 |
31 | 82337294 |
[0,6,42,166,612,1649,4501,9772,21631,39911,78602, 131634,234593,361145,603810,883492,1396448, 1928226,2949092,3948312,5771436,7496953,10742472, 13520820,18931459,23338564,31813882,38799595, 52158316,61609006,82337294] |