n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 12 |
5 | 45 |
6 | 234 |
7 | 1323 |
8 | 8856 |
9 | 65529 |
10 | 543510 |
11 | 4937031 |
12 | 49030596 |
13 | 526930677 |
14 | 6101871426 |
15 | 75686176035 |
16 | 1001517264432 |
17 | 14079895613937 |
18 | 209594037600558 |
19 | 3293305758743679 |
20 | 54470994630103260 |
21 | 945988795762018029 |
22 | 17211193919411902938 |
23 | 327371367293394753627 |
[1,1,2,3,12,45,234,1323,8856,65529,543510,4937031, 49030596,526930677,6101871426,75686176035, 1001517264432,14079895613937,209594037600558, 3293305758743679,54470994630103260, 945988795762018029,17211193919411902938, 327371367293394753627] |