n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 6 |
4 | 12 |
5 | 26 |
6 | 59 |
7 | 138 |
8 | 332 |
9 | 814 |
10 | 2028 |
11 | 5118 |
12 | 13054 |
13 | 33598 |
14 | 87143 |
15 | 227542 |
16 | 597640 |
17 | 1577866 |
18 | 4185108 |
19 | 11146570 |
20 | 29798682 |
21 | 79932298 |
22 | 215072896 |
23 | 580327122 |
24 | 1569942098 |
25 | 4257254850 |
26 | 11569980794 |
27 | 31508150890 |
28 | 85968266198 |
29 | 234975421554 |
[1,2,3,6,12,26,59,138,332,814,2028,5118,13054, 33598,87143,227542,597640,1577866,4185108, 11146570,29798682,79932298,215072896,580327122, 1569942098,4257254850,11569980794,31508150890, 85968266198,234975421554] |