n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 28 |
7 | 81095 |
8 | 42752576 |
9 | 2436444603 |
10 | 53633024900 |
11 | 666519047964 |
12 | 5655962632720 |
13 | 36502953719310 |
14 | 191587564345044 |
15 | 854990702601025 |
16 | 3346890268570368 |
17 | 11756179090049177 |
18 | 37692541754516628 |
19 | 111774885566128630 |
20 | 309788198526691600 |
[0,0,0,0,0,28,81095,42752576,2436444603, 53633024900,666519047964,5655962632720, 36502953719310,191587564345044,854990702601025, 3346890268570368,11756179090049177, 37692541754516628,111774885566128630, 309788198526691600] |