n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 16 |
4 | 140 |
5 | 2804 |
6 | 161036 |
7 | 27803749 |
8 | 14314228378 |
9 | 21838347160809 |
10 | 99704315229167288 |
11 | 1367135978051264146578 |
12 | 56578717186086829451888706 |
13 | 7065692298178203128922479762418 |
14 | 2670113158846160742372913777087464324 |
15 | 3052313665715695874527667027409186333152556 |
[0,4,16,140,2804,161036,27803749,14314228378, 21838347160809,99704315229167288, 1367135978051264146578,56578717186086829451888706, 7065692298178203128922479762418, 2670113158846160742372913777087464324, 3052313665715695874527667027409186333152556] |