n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 54 |
4 | 946 |
5 | 8180 |
6 | 93504 |
7 | 878732 |
8 | 6841732 |
9 | 102829509 |
10 | 19305995230 |
11 | 1822646098871 |
12 | 35208071275344 |
13 | 8691465582891615 |
14 | 2131922062844429082 |
15 | 190058192685217102545 |
16 | 9285111636083665154512 |
17 | 565278857209893562444229 |
18 | 49237824030642874847017458 |
19 | 15301141018410914663693576388 |
[1,20,54,946,8180,93504,878732,6841732,102829509, 19305995230,1822646098871,35208071275344, 8691465582891615,2131922062844429082, 190058192685217102545,9285111636083665154512, 565278857209893562444229, 49237824030642874847017458, 15301141018410914663693576388] |