n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 19 |
3 | 55 |
4 | 472 |
5 | 2023 |
6 | 13249 |
7 | 66325 |
8 | 392299 |
9 | 2088856 |
10 | 11877025 |
11 | 64803157 |
12 | 362823607 |
13 | 1998759703 |
14 | 11123273896 |
15 | 61509329983 |
16 | 341492705365 |
17 | 1891193243713 |
18 | 10489893539203 |
19 | 58127214942544 |
20 | 322296397820593 |
21 | 1786338231961609 |
22 | 9903234373856059 |
23 | 54893955008138983 |
[1,1,19,55,472,2023,13249,66325,392299,2088856, 11877025,64803157,362823607,1998759703, 11123273896,61509329983,341492705365, 1891193243713,10489893539203,58127214942544, 322296397820593,1786338231961609,9903234373856059, 54893955008138983] |