n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 27 |
6 | 59 |
7 | 126 |
8 | 265 |
9 | 551 |
10 | 1136 |
11 | 2327 |
12 | 4743 |
13 | 9630 |
14 | 19493 |
15 | 39363 |
16 | 79336 |
17 | 159659 |
18 | 320915 |
19 | 644414 |
20 | 1293009 |
21 | 2592783 |
22 | 5196512 |
23 | 10410735 |
24 | 20850127 |
25 | 41746622 |
26 | 83568269 |
27 | 167257931 |
28 | 334712280 |
29 | 669742371 |
30 | 1339998971 |
[1,2,5,12,27,59,126,265,551,1136,2327,4743,9630, 19493,39363,79336,159659,320915,644414,1293009, 2592783,5196512,10410735,20850127,41746622, 83568269,167257931,334712280,669742371,1339998971] |