n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 10 |
4 | 35 |
5 | 286 |
6 | 969 |
7 | 4495 |
8 | 12341 |
9 | 35990 |
10 | 62196 |
11 | 176851 |
12 | 209934 |
13 | 437989 |
14 | 562475 |
15 | 971970 |
16 | 1179616 |
17 | 1293699 |
18 | 1975354 |
19 | 2303960 |
20 | 3280455 |
21 | 3737581 |
22 | 5061836 |
23 | 7023974 |
24 | 12347930 |
25 | 13436856 |
26 | 16435111 |
27 | 23706021 |
28 | 30865405 |
29 | 35999900 |
30 | 39338069 |
[1,4,10,35,286,969,4495,12341,35990,62196,176851, 209934,437989,562475,971970,1179616,1293699, 1975354,2303960,3280455,3737581,5061836,7023974, 12347930,13436856,16435111,23706021,30865405, 35999900,39338069] |