n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 25 |
4 | 59 |
5 | 131 |
6 | 277 |
7 | 573 |
8 | 1167 |
9 | 2359 |
10 | 4745 |
11 | 9521 |
12 | 19075 |
13 | 38187 |
14 | 76413 |
15 | 152869 |
16 | 305783 |
17 | 611615 |
18 | 1223281 |
19 | 2446617 |
20 | 4893291 |
21 | 9786643 |
22 | 19573349 |
23 | 39146765 |
24 | 78293599 |
25 | 156587271 |
26 | 313174617 |
27 | 626349313 |
28 | 1252698707 |
29 | 2505397499 |
30 | 5010795085 |
31 | 10021590261 |
[1,3,9,25,59,131,277,573,1167,2359,4745,9521, 19075,38187,76413,152869,305783,611615,1223281, 2446617,4893291,9786643,19573349,39146765, 78293599,156587271,313174617,626349313,1252698707, 2505397499,5010795085,10021590261] |