n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 22 |
4 | 84 |
5 | 334 |
6 | 1374 |
7 | 5778 |
8 | 24688 |
9 | 106577 |
10 | 465490 |
11 | 2050238 |
12 | 9083750 |
13 | 40512563 |
14 | 181633610 |
15 | 817664224 |
16 | 3696090185 |
17 | 16767288215 |
18 | 76293756214 |
19 | 348129688283 |
20 | 1592645474737 |
21 | 7302821254661 |
22 | 33555980562246 |
23 | 154490994132251 |
24 | 712544695144962 |
25 | 3291770609667446 |
26 | 15230615144016301 |
27 | 70570905651026824 |
[1,2,6,22,84,334,1374,5778,24688,106577,465490, 2050238,9083750,40512563,181633610,817664224, 3696090185,16767288215,76293756214,348129688283, 1592645474737,7302821254661,33555980562246, 154490994132251,712544695144962,3291770609667446, 15230615144016301,70570905651026824] |