n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 31 |
4 | 96 |
5 | 294 |
6 | 897 |
7 | 2727 |
8 | 8272 |
9 | 25048 |
10 | 75747 |
11 | 228826 |
12 | 690691 |
13 | 2083371 |
14 | 6280650 |
15 | 18925047 |
16 | 57002616 |
17 | 171633840 |
18 | 516632307 |
19 | 1554702516 |
20 | 4677501237 |
21 | 14069962041 |
22 | 42314975352 |
23 | 127240600050 |
24 | 382555886571 |
25 | 1150026301089 |
[1,3,10,31,96,294,897,2727,8272,25048,75747, 228826,690691,2083371,6280650,18925047,57002616, 171633840,516632307,1554702516,4677501237, 14069962041,42314975352,127240600050,382555886571, 1150026301089] |