n | a(n) |
---|---|
1 | 4 |
2 | 9 |
3 | 35 |
4 | 105 |
5 | 616 |
6 | 1313 |
7 | 5049 |
8 | 9310 |
9 | 28865 |
10 | 132385 |
11 | 212102 |
12 | 800569 |
13 | 1827903 |
14 | 2720223 |
15 | 5863438 |
16 | 17486343 |
17 | 49077380 |
18 | 68411805 |
19 | 179539163 |
20 | 333501555 |
21 | 451555297 |
22 | 1094043350 |
23 | 1937092927 |
24 | 4449637325 |
25 | 12923400210 |
26 | 21662593726 |
27 | 27938641850 |
28 | 46132984623 |
29 | 59072140160 |
[4,9,35,105,616,1313,5049,9310,28865,132385, 212102,800569,1827903,2720223,5863438,17486343, 49077380,68411805,179539163,333501555,451555297, 1094043350,1937092927,4449637325,12923400210, 21662593726,27938641850,46132984623,59072140160] |