n | a(n) |
---|---|
12 | 2 |
13 | 122 |
14 | 3400 |
15 | 64210 |
16 | 959742 |
17 | 12294090 |
18 | 141329502 |
19 | 1500596864 |
20 | 14998956452 |
21 | 143004562082 |
22 | 1312929589140 |
23 | 11688960621918 |
24 | 101451353794222 |
25 | 861927965928610 |
26 | 7191518458613614 |
27 | 59078731187602024 |
[2,122,3400,64210,959742,12294090,141329502, 1500596864,14998956452,143004562082,1312929589140, 11688960621918,101451353794222,861927965928610, 7191518458613614,59078731187602024] |