n | a(n) |
---|---|
0 | 2 |
1 | 3 |
2 | 6 |
3 | 13 |
4 | 29 |
5 | 65 |
6 | 145 |
7 | 323 |
8 | 719 |
9 | 1599 |
10 | 3555 |
11 | 7903 |
12 | 17567 |
13 | 39047 |
14 | 86791 |
15 | 192911 |
16 | 428783 |
17 | 953055 |
18 | 2118351 |
19 | 4708447 |
20 | 10465439 |
21 | 23261471 |
22 | 51703135 |
23 | 114920255 |
24 | 255432575 |
25 | 567748479 |
26 | 1261931199 |
27 | 2804887039 |
28 | 6234405887 |
29 | 13857177215 |
30 | 30800266111 |
31 | 68459569919 |
[2,3,6,13,29,65,145,323,719,1599,3555,7903,17567, 39047,86791,192911,428783,953055,2118351,4708447, 10465439,23261471,51703135,114920255,255432575, 567748479,1261931199,2804887039,6234405887, 13857177215,30800266111,68459569919] |