n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 16 |
3 | 184 |
4 | 1744 |
5 | 15136 |
6 | 126016 |
7 | 1028224 |
8 | 8306944 |
9 | 66781696 |
10 | 535561216 |
11 | 4289726464 |
12 | 34338770944 |
13 | 274794029056 |
14 | 2198687727616 |
15 | 17590843899904 |
16 | 140732119711744 |
17 | 1125878432137216 |
18 | 9007113355657216 |
19 | 72057250441068544 |
20 | 576459377914937344 |
[0,1,16,184,1744,15136,126016,1028224,8306944, 66781696,535561216,4289726464,34338770944, 274794029056,2198687727616,17590843899904, 140732119711744,1125878432137216,9007113355657216, 72057250441068544,576459377914937344] |