n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 97 |
4 | 497 |
5 | 1973 |
6 | 6364 |
7 | 17237 |
8 | 41322 |
9 | 90071 |
10 | 181380 |
11 | 342816 |
12 | 614695 |
13 | 1053411 |
14 | 1737152 |
15 | 2771031 |
16 | 4292535 |
17 | 6480448 |
18 | 9562557 |
19 | 13823734 |
20 | 19618790 |
21 | 27383266 |
22 | 37644682 |
23 | 51040022 |
24 | 68330141 |
25 | 90414697 |
26 | 118354982 |
27 | 153392467 |
[1,2,10,97,497,1973,6364,17237,41322,90071,181380, 342816,614695,1053411,1737152,2771031,4292535, 6480448,9562557,13823734,19618790,27383266, 37644682,51040022,68330141,90414697,118354982, 153392467] |