n | a(n) |
---|---|
1 | 0 |
2 | 10 |
3 | 29 |
4 | 84 |
5 | 247 |
6 | 734 |
7 | 2193 |
8 | 6568 |
9 | 19691 |
10 | 59058 |
11 | 177157 |
12 | 531452 |
13 | 1594335 |
14 | 4782982 |
15 | 14348921 |
16 | 43046736 |
17 | 129140179 |
18 | 387420506 |
19 | 1162261485 |
20 | 3486784420 |
21 | 10460353223 |
22 | 31381059630 |
23 | 94143178849 |
24 | 282429536504 |
25 | 847288609467 |
26 | 2541865828354 |
27 | 7625597485013 |
[0,10,29,84,247,734,2193,6568,19691,59058,177157, 531452,1594335,4782982,14348921,43046736, 129140179,387420506,1162261485,3486784420, 10460353223,31381059630,94143178849,282429536504, 847288609467,2541865828354,7625597485013] |