n | a(n) |
---|---|
0 | 2 |
1 | 3 |
2 | 4 |
3 | 11 |
4 | 40 |
5 | 157 |
6 | 656 |
7 | 2721 |
8 | 11346 |
9 | 47337 |
10 | 197398 |
11 | 823451 |
12 | 3434718 |
13 | 14326815 |
14 | 59760224 |
15 | 249271079 |
16 | 1039759044 |
17 | 4337038713 |
18 | 18090636780 |
19 | 75459593981 |
20 | 314756746798 |
21 | 1312912064069 |
22 | 5476413466674 |
23 | 22843193551799 |
24 | 95283436047290 |
[2,3,4,11,40,157,656,2721,11346,47337,197398, 823451,3434718,14326815,59760224,249271079, 1039759044,4337038713,18090636780,75459593981, 314756746798,1312912064069,5476413466674, 22843193551799,95283436047290] |