n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 54 |
5 | 162 |
6 | 1458 |
7 | 4374 |
8 | 43740 |
9 | 262440 |
10 | 2361960 |
11 | 7085880 |
12 | 127545840 |
13 | 382637520 |
14 | 3443737680 |
15 | 30993639120 |
16 | 464904586800 |
17 | 1394713760400 |
18 | 25104847687200 |
19 | 75314543061600 |
20 | 1355661775108800 |
21 | 12200955975979200 |
22 | 109808603783812800 |
23 | 329425811351438400 |
24 | 9882774340543152000 |
25 | 59296646043258912000 |
26 | 533669814389330208000 |
27 | 5336698143893302080000 |
28 | 96060566590079437440000 |
29 | 288181699770238312320000 |
30 | 7780905893796434432640000 |
[1,3,9,54,162,1458,4374,43740,262440,2361960, 7085880,127545840,382637520,3443737680, 30993639120,464904586800,1394713760400, 25104847687200,75314543061600,1355661775108800, 12200955975979200,109808603783812800, 329425811351438400,9882774340543152000, 59296646043258912000,533669814389330208000, 5336698143893302080000,96060566590079437440000, 288181699770238312320000, 7780905893796434432640000] |