n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 73 |
5 | 501 |
6 | 4051 |
7 | 37633 |
8 | 394353 |
9 | 4596553 |
10 | 58941091 |
11 | 824073141 |
12 | 12470162233 |
13 | 202976401213 |
14 | 3535017524403 |
15 | 65573803186921 |
16 | 1290434218669921 |
17 | 26846616451246353 |
18 | 588633468315403843 |
19 | 13564373693588558173 |
20 | 327697927886085654441 |
21 | 8281153039765859726341 |
[1,1,3,13,73,501,4051,37633,394353,4596553, 58941091,824073141,12470162233,202976401213, 3535017524403,65573803186921,1290434218669921, 26846616451246353,588633468315403843, 13564373693588558173,327697927886085654441, 8281153039765859726341] |