n | a(n) |
---|---|
1 | 30 |
2 | 490 |
3 | 3010 |
4 | 12310 |
5 | 715220 |
6 | 831820 |
7 | 1741630 |
8 | 2323520 |
9 | 7089500 |
10 | 13848650 |
11 | 26543660 |
12 | 92669720 |
13 | 133230930 |
14 | 271248950 |
15 | 541946240 |
16 | 1844349560 |
17 | 2841940500 |
18 | 4351078600 |
19 | 4835271870 |
20 | 5371315400 |
21 | 10015581680 |
22 | 18440293320 |
23 | 37027355200 |
[30,490,3010,12310,715220,831820,1741630,2323520, 7089500,13848650,26543660,92669720,133230930, 271248950,541946240,1844349560,2841940500, 4351078600,4835271870,5371315400,10015581680, 18440293320,37027355200] |