n | a(n) |
---|---|
1 | 10 |
2 | 90 |
3 | 730 |
4 | 5410 |
5 | 37900 |
6 | 264250 |
7 | 1908910 |
8 | 14322520 |
9 | 110305720 |
10 | 875799550 |
11 | 7203731050 |
12 | 60866700940 |
13 | 527138423380 |
14 | 4696469283970 |
15 | 42797376850150 |
16 | 397903278667600 |
17 | 3783002076771760 |
18 | 36604891556846470 |
19 | 360117919584474850 |
20 | 3603555076712108500 |
[10,90,730,5410,37900,264250,1908910,14322520, 110305720,875799550,7203731050,60866700940, 527138423380,4696469283970,42797376850150, 397903278667600,3783002076771760, 36604891556846470,360117919584474850, 3603555076712108500] |