n | a(n) |
---|---|
-1 | 1 |
0 | 42 |
1 | 783 |
2 | 8672 |
3 | 65367 |
4 | 371520 |
5 | 1741655 |
6 | 7161696 |
7 | 26567946 |
8 | 90521472 |
9 | 288078201 |
10 | 864924480 |
11 | 2469235686 |
12 | 6748494912 |
13 | 17746495281 |
14 | 45086909440 |
15 | 111066966315 |
16 | 266057139456 |
17 | 621284327856 |
18 | 1417338712800 |
19 | 3164665156308 |
[1,42,783,8672,65367,371520,1741655,7161696, 26567946,90521472,288078201,864924480,2469235686, 6748494912,17746495281,45086909440,111066966315, 266057139456,621284327856,1417338712800, 3164665156308] |