n | a(n) |
---|---|
0 | 1 |
1 | 16 |
2 | 115 |
3 | 550 |
4 | 2035 |
5 | 6292 |
6 | 17017 |
7 | 41470 |
8 | 92950 |
9 | 194480 |
10 | 384098 |
11 | 722228 |
12 | 1301690 |
13 | 2261000 |
14 | 3801710 |
15 | 6210644 |
16 | 9887999 |
17 | 15382400 |
18 | 23434125 |
19 | 35027850 |
20 | 51456405 |
21 | 74397180 |
22 | 106002975 |
23 | 149009250 |
24 | 206859900 |
25 | 283853856 |
26 | 385314996 |
27 | 517788040 |
[1,16,115,550,2035,6292,17017,41470,92950,194480, 384098,722228,1301690,2261000,3801710,6210644, 9887999,15382400,23434125,35027850,51456405, 74397180,106002975,149009250,206859900,283853856, 385314996,517788040] |