n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 29 |
4 | 127 |
5 | 526 |
6 | 2420 |
7 | 10624 |
8 | 49846 |
9 | 226007 |
10 | 1074831 |
11 | 4975408 |
12 | 23852322 |
13 | 111962249 |
14 | 540110364 |
15 | 2561114007 |
16 | 12409220893 |
17 | 59286982781 |
18 | 288292731330 |
19 | 1385471572325 |
20 | 6755689212401 |
21 | 32616834914307 |
22 | 159413239163978 |
23 | 772560860522906 |
24 | 3782992084218568 |
25 | 18390147847296445 |
26 | 90197700595782482 |
[1,2,8,29,127,526,2420,10624,49846,226007,1074831, 4975408,23852322,111962249,540110364,2561114007, 12409220893,59286982781,288292731330, 1385471572325,6755689212401,32616834914307, 159413239163978,772560860522906,3782992084218568, 18390147847296445,90197700595782482] |