n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 24 |
5 | 76 |
6 | 284 |
7 | 1244 |
8 | 6342 |
9 | 37527 |
10 | 257802 |
11 | 2058644 |
12 | 19145230 |
13 | 207751462 |
14 | 2634249124 |
15 | 39067322628 |
16 | 677908600818 |
17 | 13763069607754 |
18 | 326806505773540 |
19 | 9071727194243794 |
20 | 294232148470098050 |
21 | 11145427142600699697 |
22 | 492893462783786269182 |
23 | 25441819315371476142930 |
[1,2,4,9,24,76,284,1244,6342,37527,257802,2058644, 19145230,207751462,2634249124,39067322628, 677908600818,13763069607754,326806505773540, 9071727194243794,294232148470098050, 11145427142600699697,492893462783786269182, 25441819315371476142930] |