n | a(n) |
---|---|
0 | 10 |
1 | 80 |
2 | 365 |
3 | 1246 |
4 | 3535 |
5 | 8800 |
6 | 19855 |
7 | 41470 |
8 | 81367 |
9 | 151580 |
10 | 270270 |
11 | 464100 |
12 | 771290 |
13 | 1245488 |
14 | 1960610 |
15 | 3016820 |
16 | 4547840 |
17 | 6729800 |
18 | 9791859 |
19 | 14028850 |
20 | 19816225 |
21 | 27627600 |
22 | 38055225 |
23 | 51833730 |
24 | 69867525 |
25 | 93262260 |
26 | 123360780 |
27 | 161784040 |
28 | 210477476 |
29 | 271763360 |
[10,80,365,1246,3535,8800,19855,41470,81367, 151580,270270,464100,771290,1245488,1960610, 3016820,4547840,6729800,9791859,14028850,19816225, 27627600,38055225,51833730,69867525,93262260, 123360780,161784040,210477476,271763360] |