n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 12 |
4 | 111 |
5 | 1002 |
6 | 9714 |
7 | 99540 |
8 | 1050699 |
9 | 11335347 |
10 | 124588322 |
11 | 1390328886 |
12 | 15708587942 |
13 | 179337437284 |
14 | 2065664506352 |
15 | 23975801683480 |
16 | 280144041520475 |
17 | 3292561150068214 |
18 | 38899147293746645 |
19 | 461696518011468240 |
20 | 5502718866101560144 |
[1,1,1,12,111,1002,9714,99540,1050699,11335347, 124588322,1390328886,15708587942,179337437284, 2065664506352,23975801683480,280144041520475, 3292561150068214,38899147293746645, 461696518011468240,5502718866101560144] |