n | a(n) |
---|---|
0 | -1 |
1 | 0 |
2 | 21 |
3 | 182 |
4 | 819 |
5 | 2604 |
6 | 6665 |
7 | 14706 |
8 | 29127 |
9 | 53144 |
10 | 90909 |
11 | 147630 |
12 | 229691 |
13 | 344772 |
14 | 501969 |
15 | 711914 |
16 | 986895 |
17 | 1340976 |
18 | 1790117 |
19 | 2352294 |
20 | 3047619 |
21 | 3898460 |
22 | 4929561 |
23 | 6168162 |
24 | 7644119 |
25 | 9390024 |
26 | 11441325 |
27 | 13836446 |
28 | 16616907 |
29 | 19827444 |
30 | 23516129 |
31 | 27734490 |
32 | 32537631 |
33 | 37984352 |
34 | 44137269 |
[-1,0,21,182,819,2604,6665,14706,29127,53144, 90909,147630,229691,344772,501969,711914,986895, 1340976,1790117,2352294,3047619,3898460,4929561, 6168162,7644119,9390024,11441325,13836446, 16616907,19827444,23516129,27734490,32537631, 37984352,44137269] |