n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 156 |
3 | 14298 |
4 | 228984 |
5 | 1821420 |
6 | 9676020 |
7 | 39328086 |
8 | 131914608 |
9 | 382726584 |
10 | 991134540 |
11 | 2342199090 |
12 | 5133181416 |
13 | 10561434468 |
14 | 20593784484 |
15 | 38341504110 |
16 | 68569332960 |
17 | 118371718896 |
18 | 198054533628 |
19 | 322265959434 |
20 | 511426049880 |
21 | 793510636380 |
22 | 1206251784276 |
[0,0,156,14298,228984,1821420,9676020,39328086, 131914608,382726584,991134540,2342199090, 5133181416,10561434468,20593784484,38341504110, 68569332960,118371718896,198054533628, 322265959434,511426049880,793510636380, 1206251784276] |