n | a(n) |
---|---|
1 | 120 |
2 | 276 |
3 | 1176 |
4 | 28920 |
5 | 126756 |
6 | 306936 |
7 | 1345620 |
8 | 33362196 |
9 | 146264856 |
10 | 354192420 |
11 | 1552832856 |
12 | 38499933816 |
13 | 168789505620 |
14 | 408737734296 |
15 | 1791967758756 |
16 | 44428890250020 |
17 | 194782943209176 |
18 | 471682991173716 |
19 | 2067929240760120 |
20 | 51270900848577816 |
21 | 224779347673872036 |
[120,276,1176,28920,126756,306936,1345620, 33362196,146264856,354192420,1552832856, 38499933816,168789505620,408737734296, 1791967758756,44428890250020,194782943209176, 471682991173716,2067929240760120, 51270900848577816,224779347673872036] |