n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 16 |
4 | 68 |
5 | 276 |
6 | 1084 |
7 | 4227 |
8 | 16207 |
9 | 61348 |
10 | 229888 |
11 | 853737 |
12 | 3146649 |
13 | 11522891 |
14 | 41959547 |
15 | 152044236 |
16 | 548575204 |
17 | 1971713228 |
18 | 7062750256 |
19 | 25222033633 |
20 | 89824310345 |
21 | 319101174069 |
22 | 1131049761757 |
23 | 4000730847474 |
24 | 14124602551114 |
[1,5,16,68,276,1084,4227,16207,61348,229888, 853737,3146649,11522891,41959547,152044236, 548575204,1971713228,7062750256,25222033633, 89824310345,319101174069,1131049761757, 4000730847474,14124602551114] |