n | a(n) |
---|---|
1 | 16 |
2 | 256 |
3 | 420 |
4 | 1866 |
5 | 7500 |
6 | 27762 |
7 | 106110 |
8 | 413526 |
9 | 1583234 |
10 | 6065840 |
11 | 23380612 |
12 | 89904320 |
13 | 345225042 |
14 | 1327292244 |
15 | 5103379268 |
16 | 19613888918 |
17 | 75392090306 |
18 | 289821707064 |
19 | 1114041030214 |
20 | 4282214237068 |
21 | 16460713051026 |
22 | 63274053473750 |
[16,256,420,1866,7500,27762,106110,413526,1583234, 6065840,23380612,89904320,345225042,1327292244, 5103379268,19613888918,75392090306,289821707064, 1114041030214,4282214237068,16460713051026, 63274053473750] |