n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 15 |
4 | 82 |
5 | 495 |
6 | 3144 |
7 | 20875 |
8 | 142773 |
9 | 1000131 |
10 | 7136812 |
11 | 51702231 |
12 | 379234623 |
13 | 2810874950 |
14 | 21020047557 |
15 | 158398829121 |
16 | 1201617201230 |
17 | 9169060501023 |
18 | 70329406653879 |
19 | 541949364313821 |
20 | 4193569906262874 |
21 | 32571403998781956 |
22 | 253842927519362734 |
23 | 1984442128649393178 |
[1,3,15,82,495,3144,20875,142773,1000131,7136812, 51702231,379234623,2810874950,21020047557, 158398829121,1201617201230,9169060501023, 70329406653879,541949364313821,4193569906262874, 32571403998781956,253842927519362734, 1984442128649393178] |