n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 19 |
4 | 56 |
5 | 146 |
6 | 350 |
7 | 790 |
8 | 1685 |
9 | 3421 |
10 | 6680 |
11 | 12575 |
12 | 22923 |
13 | 40636 |
14 | 70228 |
15 | 118550 |
16 | 196038 |
17 | 317911 |
18 | 506487 |
19 | 793842 |
20 | 1225546 |
21 | 1865180 |
22 | 2802329 |
23 | 4157823 |
24 | 6098617 |
25 | 8848923 |
26 | 12709523 |
27 | 18076665 |
28 | 25480353 |
29 | 35605456 |
30 | 49349547 |
31 | 67866426 |
32 | 92643950 |
[2,6,19,56,146,350,790,1685,3421,6680,12575,22923, 40636,70228,118550,196038,317911,506487,793842, 1225546,1865180,2802329,4157823,6098617,8848923, 12709523,18076665,25480353,35605456,49349547, 67866426,92643950] |