n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 4 |
4 | 41 |
5 | 244 |
6 | 1029 |
7 | 3485 |
8 | 9926 |
9 | 25030 |
10 | 57126 |
11 | 120570 |
12 | 238330 |
13 | 446344 |
14 | 797825 |
15 | 1370684 |
16 | 2274259 |
17 | 3660612 |
18 | 5734776 |
19 | 8771181 |
20 | 13127940 |
21 | 19270240 |
22 | 27789713 |
23 | 39435814 |
24 | 55142010 |
25 | 76066910 |
26 | 103627784 |
27 | 139554142 |
28 | 185929971 |
29 | 245260890 |
30 | 320527585 |
31 | 415268815 |
[0,0,4,41,244,1029,3485,9926,25030,57126,120570, 238330,446344,797825,1370684,2274259,3660612, 5734776,8771181,13127940,19270240,27789713, 39435814,55142010,76066910,103627784,139554142, 185929971,245260890,320527585,415268815] |