n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 45 |
6 | 169 |
7 | 740 |
8 | 3721 |
9 | 21142 |
10 | 133850 |
11 | 933770 |
12 | 7114115 |
13 | 58758459 |
14 | 522892624 |
15 | 4987285553 |
16 | 50751731950 |
17 | 548839590949 |
18 | 6285265061237 |
19 | 75985249771496 |
20 | 967047685739501 |
21 | 12923640789599709 |
22 | 180945893711983990 |
23 | 2648725169100050894 |
[1,2,5,14,45,169,740,3721,21142,133850,933770, 7114115,58758459,522892624,4987285553,50751731950, 548839590949,6285265061237,75985249771496, 967047685739501,12923640789599709, 180945893711983990,2648725169100050894] |