n | a(n) |
---|---|
1 | 3 |
2 | 6 |
3 | 23 |
4 | 50 |
5 | 131 |
6 | 294 |
7 | 687 |
8 | 1530 |
9 | 3419 |
10 | 7502 |
11 | 16391 |
12 | 35490 |
13 | 76467 |
14 | 163830 |
15 | 349535 |
16 | 742730 |
17 | 1572875 |
18 | 3320478 |
19 | 6990519 |
20 | 14680050 |
21 | 30758243 |
22 | 64312646 |
23 | 134217743 |
24 | 279620250 |
25 | 581610171 |
26 | 1207959534 |
27 | 2505397607 |
28 | 5189752130 |
29 | 10737418259 |
30 | 22190664342 |
[3,6,23,50,131,294,687,1530,3419,7502,16391,35490, 76467,163830,349535,742730,1572875,3320478, 6990519,14680050,30758243,64312646,134217743, 279620250,581610171,1207959534,2505397607, 5189752130,10737418259,22190664342] |