n | a(n) |
---|---|
1 | 0 |
2 | 14 |
3 | 204 |
4 | 1240 |
5 | 4900 |
6 | 14910 |
7 | 38024 |
8 | 85344 |
9 | 173880 |
10 | 328350 |
11 | 583220 |
12 | 984984 |
13 | 1594684 |
14 | 2490670 |
15 | 3771600 |
16 | 5559680 |
17 | 8004144 |
18 | 11284974 |
19 | 15616860 |
20 | 21253400 |
21 | 28491540 |
22 | 37676254 |
23 | 49205464 |
24 | 63535200 |
25 | 81185000 |
26 | 102743550 |
27 | 128874564 |
[0,14,204,1240,4900,14910,38024,85344,173880, 328350,583220,984984,1594684,2490670,3771600, 5559680,8004144,11284974,15616860,21253400, 28491540,37676254,49205464,63535200,81185000, 102743550,128874564] |