n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 15 |
4 | 38 |
5 | 89 |
6 | 210 |
7 | 474 |
8 | 1065 |
9 | 2339 |
10 | 5091 |
11 | 10919 |
12 | 23230 |
13 | 48887 |
14 | 102126 |
15 | 211599 |
16 | 435561 |
17 | 890617 |
18 | 1810786 |
19 | 3661118 |
20 | 7365473 |
21 | 14747049 |
22 | 29397160 |
23 | 58356179 |
24 | 115392801 |
25 | 227332038 |
26 | 446304671 |
27 | 873298579 |
28 | 1703463864 |
29 | 3312873935 |
30 | 6424553973 |
31 | 12425158365 |
32 | 23968214357 |
33 | 46120280910 |
34 | 88535346223 |
[1,2,6,15,38,89,210,474,1065,2339,5091,10919, 23230,48887,102126,211599,435561,890617,1810786, 3661118,7365473,14747049,29397160,58356179, 115392801,227332038,446304671,873298579, 1703463864,3312873935,6424553973,12425158365, 23968214357,46120280910,88535346223] |