n | a(n) |
---|---|
0 | 15 |
1 | 6 |
2 | 90 |
3 | 9 |
4 | 810 |
5 | 9 |
6 | 7290 |
7 | 18 |
8 | 131220 |
9 | 9 |
10 | 1180980 |
11 | 27 |
12 | 31886460 |
13 | 36 |
14 | 1147912560 |
15 | 36 |
16 | 41324852160 |
17 | 36 |
18 | 1487694677760 |
19 | 72 |
20 | 107114016798720 |
21 | 54 |
22 | 5784156907130880 |
23 | 72 |
24 | 416459297313423360 |
25 | 72 |
26 | 29985069406566481920 |
27 | 99 |
28 | 2968521871250081710080 |
[15,6,90,9,810,9,7290,18,131220,9,1180980,27, 31886460,36,1147912560,36,41324852160,36, 1487694677760,72,107114016798720,54, 5784156907130880,72,416459297313423360,72, 29985069406566481920,99,2968521871250081710080] |