n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 15 |
5 | 28 |
6 | 66 |
7 | 122 |
8 | 266 |
9 | 503 |
10 | 1027 |
11 | 1913 |
12 | 3874 |
13 | 7099 |
14 | 13799 |
15 | 25501 |
16 | 48508 |
17 | 88295 |
18 | 165942 |
19 | 299649 |
20 | 554545 |
21 | 997281 |
22 | 1817984 |
23 | 3245430 |
24 | 5875438 |
25 | 10410768 |
26 | 18635587 |
27 | 32885735 |
28 | 58399350 |
29 | 102381103 |
30 | 180634057 |
31 | 314957425 |
32 | 551857780 |
33 | 958031826 |
34 | 1667918758 |
[1,1,3,6,15,28,66,122,266,503,1027,1913,3874,7099, 13799,25501,48508,88295,165942,299649,554545, 997281,1817984,3245430,5875438,10410768,18635587, 32885735,58399350,102381103,180634057,314957425, 551857780,958031826,1667918758] |