n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 56 |
3 | 231 |
4 | 782 |
5 | 2300 |
6 | 6085 |
7 | 14820 |
8 | 33775 |
9 | 72905 |
10 | 150438 |
11 | 298925 |
12 | 575333 |
13 | 1077748 |
14 | 1972851 |
15 | 3540913 |
16 | 6249235 |
17 | 10871723 |
18 | 18683233 |
19 | 31775031 |
20 | 53566369 |
21 | 89633545 |
22 | 149052839 |
23 | 246575109 |
24 | 406146248 |
25 | 666605513 |
26 | 1090907965 |
[1,10,56,231,782,2300,6085,14820,33775,72905, 150438,298925,575333,1077748,1972851,3540913, 6249235,10871723,18683233,31775031,53566369, 89633545,149052839,246575109,406146248,666605513, 1090907965] |