n | a(n) |
---|---|
1 | 0 |
2 | 5 |
3 | 360 |
4 | 7350 |
5 | 73700 |
6 | 474588 |
7 | 2292790 |
8 | 9046807 |
9 | 30676440 |
10 | 92393015 |
11 | 252872984 |
12 | 639382605 |
13 | 1512137536 |
14 | 3377126024 |
15 | 7176513960 |
16 | 14599539314 |
17 | 28575632350 |
18 | 54036739617 |
19 | 99069119952 |
20 | 176618150000 |
21 | 306965183268 |
22 | 521265871700 |
23 | 866527603370 |
24 | 1412513294049 |
[0,5,360,7350,73700,474588,2292790,9046807, 30676440,92393015,252872984,639382605,1512137536, 3377126024,7176513960,14599539314,28575632350, 54036739617,99069119952,176618150000,306965183268, 521265871700,866527603370,1412513294049] |