n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 50 |
4 | 490 |
5 | 2618 |
6 | 9519 |
7 | 28432 |
8 | 70796 |
9 | 157912 |
10 | 321161 |
11 | 610482 |
12 | 1082570 |
13 | 1848362 |
14 | 3003015 |
15 | 4716792 |
16 | 7204604 |
17 | 10730528 |
18 | 15530189 |
19 | 22093410 |
20 | 30723078 |
21 | 42146178 |
22 | 56981411 |
23 | 75952240 |
24 | 99685104 |
25 | 129757248 |
[0,1,50,490,2618,9519,28432,70796,157912,321161, 610482,1082570,1848362,3003015,4716792,7204604, 10730528,15530189,22093410,30723078,42146178, 56981411,75952240,99685104,129757248] |