n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 195 |
3 | 2340 |
4 | 26910 |
5 | 301158 |
6 | 3307590 |
7 | 35830080 |
8 | 384072975 |
9 | 4082949585 |
10 | 43113860361 |
11 | 452742067440 |
12 | 4732188244290 |
13 | 49266375442110 |
14 | 511157395433610 |
15 | 5287689996408612 |
16 | 54555878321808435 |
17 | 561579617798527185 |
18 | 5768783256563735265 |
19 | 59149668761521664040 |
20 | 605472238745163334116 |
[1,15,195,2340,26910,301158,3307590,35830080, 384072975,4082949585,43113860361,452742067440, 4732188244290,49266375442110,511157395433610, 5287689996408612,54555878321808435, 561579617798527185,5768783256563735265, 59149668761521664040,605472238745163334116] |