n | a(n) |
---|---|
1 | 1 |
2 | 65 |
3 | 1361 |
4 | 15761 |
5 | 124661 |
6 | 751925 |
7 | 3696581 |
8 | 15475205 |
9 | 56884430 |
10 | 187758030 |
11 | 565982734 |
12 | 1578749710 |
13 | 4117700254 |
14 | 10127050654 |
15 | 23648089054 |
16 | 52733344990 |
17 | 112835299639 |
18 | 232623278455 |
19 | 463695768455 |
20 | 896396608455 |
21 | 1684993889355 |
22 | 3086944610955 |
23 | 5522978819355 |
[1,65,1361,15761,124661,751925,3696581,15475205, 56884430,187758030,565982734,1578749710, 4117700254,10127050654,23648089054,52733344990, 112835299639,232623278455,463695768455, 896396608455,1684993889355,3086944610955, 5522978819355] |