n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 120 |
3 | 1309 |
4 | 14279 |
5 | 155760 |
6 | 1699081 |
7 | 18534131 |
8 | 202176360 |
9 | 2205405829 |
10 | 24057287759 |
11 | 262424759520 |
12 | 2862615066961 |
13 | 31226340977051 |
14 | 340627135680600 |
15 | 3715672151509549 |
16 | 40531766530924439 |
17 | 442133759688659280 |
18 | 4822939590044327641 |
19 | 52610201730798944771 |
20 | 573889279448744064840 |
[1,11,120,1309,14279,155760,1699081,18534131, 202176360,2205405829,24057287759,262424759520, 2862615066961,31226340977051,340627135680600, 3715672151509549,40531766530924439, 442133759688659280,4822939590044327641, 52610201730798944771,573889279448744064840] |