n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2731 |
3 | 398581 |
4 | 13421773 |
5 | 203450521 |
6 | 1865813431 |
7 | 12111126301 |
8 | 61083979321 |
9 | 254186582833 |
10 | 909090909091 |
11 | 2876892678661 |
12 | 8230246567621 |
13 | 21633936185161 |
14 | 52914318216943 |
15 | 121637191772461 |
16 | 264917625139441 |
17 | 550254335161441 |
[1,1,2731,398581,13421773,203450521,1865813431, 12111126301,61083979321,254186582833,909090909091, 2876892678661,8230246567621,21633936185161, 52914318216943,121637191772461,264917625139441, 550254335161441] |