n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 14 |
3 | 46 |
4 | 133 |
5 | 364 |
6 | 972 |
7 | 2567 |
8 | 6746 |
9 | 17690 |
10 | 46345 |
11 | 121368 |
12 | 317784 |
13 | 832011 |
14 | 2178278 |
15 | 5702854 |
16 | 14930317 |
17 | 39088132 |
18 | 102334116 |
19 | 267914255 |
20 | 701408690 |
21 | 1836311858 |
22 | 4807526929 |
23 | 12586268976 |
24 | 32951280048 |
25 | 86267571219 |
26 | 225851433662 |
[1,3,14,46,133,364,972,2567,6746,17690,46345, 121368,317784,832011,2178278,5702854,14930317, 39088132,102334116,267914255,701408690,1836311858, 4807526929,12586268976,32951280048,86267571219, 225851433662] |