n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 44 |
4 | 156 |
5 | 572 |
6 | 2086 |
7 | 7254 |
8 | 23842 |
9 | 76764 |
10 | 234456 |
11 | 690902 |
12 | 1912462 |
13 | 5115272 |
14 | 12643292 |
15 | 30128464 |
16 | 65353058 |
17 | 136831514 |
18 | 256926694 |
19 | 466887564 |
20 | 749958636 |
21 | 1169595430 |
22 | 1586374020 |
23 | 2094918528 |
24 | 2360469300 |
25 | 2592155202 |
26 | 2368114810 |
[1,2,10,44,156,572,2086,7254,23842,76764,234456, 690902,1912462,5115272,12643292,30128464,65353058, 136831514,256926694,466887564,749958636, 1169595430,1586374020,2094918528,2360469300, 2592155202,2368114810] |