n | a(n) |
---|---|
1 | 12 |
2 | 70 |
3 | 532 |
4 | 4510 |
5 | 39772 |
6 | 355510 |
7 | 3192292 |
8 | 28708750 |
9 | 258313132 |
10 | 2324621350 |
11 | 20921001652 |
12 | 188287243390 |
13 | 1694579876092 |
14 | 15251202941590 |
15 | 137260778644612 |
16 | 1235346864312430 |
17 | 11118121348344652 |
18 | 100063090843700230 |
19 | 900567813719097172 |
20 | 8105110311849259870 |
[12,70,532,4510,39772,355510,3192292,28708750, 258313132,2324621350,20921001652,188287243390, 1694579876092,15251202941590,137260778644612, 1235346864312430,11118121348344652, 100063090843700230,900567813719097172, 8105110311849259870] |