n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 10 |
4 | 16 |
5 | 210 |
6 | 52 |
7 | 10764 |
8 | 160 |
9 | 840 |
10 | 484 |
11 | 78225840 |
12 | 1456 |
13 | 5729631692400 |
14 | 4372 |
15 | 932723933480442148565520 |
16 | 13120 |
17 | 202096081896183783466278120 |
18 | 39364 |
19 | 1505075187143521116689096930825555405884185492185368021027531191578186233461600 |
[2,4,10,16,210,52,10764,160,840,484,78225840,1456, 5729631692400,4372,932723933480442148565520,13120, 202096081896183783466278120,39364, 15050751871435211166890969308255554058841854921853\ 68021027531191578186233461600] |