n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 16 |
4 | 47 |
5 | 131 |
6 | 356 |
7 | 953 |
8 | 2529 |
9 | 6676 |
10 | 17567 |
11 | 46135 |
12 | 121016 |
13 | 317201 |
14 | 831053 |
15 | 2176712 |
16 | 5700303 |
17 | 14926171 |
18 | 39081404 |
19 | 102323209 |
20 | 267896585 |
21 | 701380076 |
22 | 1836265535 |
23 | 4807451951 |
24 | 12586147632 |
25 | 32951083681 |
26 | 86267253461 |
27 | 225850919488 |
[1,5,16,47,131,356,953,2529,6676,17567,46135, 121016,317201,831053,2176712,5700303,14926171, 39081404,102323209,267896585,701380076,1836265535, 4807451951,12586147632,32951083681,86267253461, 225850919488] |