n | a(n) |
---|---|
1 | 1 |
2 | 30 |
3 | 340 |
4 | 2530 |
5 | 14595 |
6 | 70737 |
7 | 301070 |
8 | 1157820 |
9 | 4100785 |
10 | 13563010 |
11 | 42321840 |
12 | 125586440 |
13 | 356621070 |
14 | 973989030 |
15 | 2569116330 |
16 | 6567458520 |
17 | 16317741975 |
18 | 39504992395 |
19 | 93390535840 |
20 | 215983566780 |
21 | 489454806785 |
22 | 1088433416785 |
23 | 2378160809610 |
24 | 5111208572940 |
25 | 10816601842950 |
[1,30,340,2530,14595,70737,301070,1157820,4100785, 13563010,42321840,125586440,356621070,973989030, 2569116330,6567458520,16317741975,39504992395, 93390535840,215983566780,489454806785, 1088433416785,2378160809610,5111208572940, 10816601842950] |