n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 28 |
4 | 95 |
5 | 286 |
6 | 802 |
7 | 2143 |
8 | 5519 |
9 | 13807 |
10 | 33762 |
11 | 81060 |
12 | 191678 |
13 | 447396 |
14 | 1032647 |
15 | 2360593 |
16 | 5351231 |
17 | 12041764 |
18 | 26920297 |
19 | 59829006 |
20 | 132262550 |
21 | 290990077 |
22 | 637429514 |
23 | 1390811841 |
24 | 3023647046 |
25 | 6551547161 |
26 | 14151910442 |
27 | 30481920523 |
28 | 65480947739 |
29 | 140318385088 |
30 | 299995596747 |
[1,7,28,95,286,802,2143,5519,13807,33762,81060, 191678,447396,1032647,2360593,5351231,12041764, 26920297,59829006,132262550,290990077,637429514, 1390811841,3023647046,6551547161,14151910442, 30481920523,65480947739,140318385088,299995596747] |