n | a(n) |
---|---|
1 | 15 |
2 | 138 |
3 | 1178 |
4 | 9113 |
5 | 61808 |
6 | 361361 |
7 | 1825607 |
8 | 8065278 |
9 | 31631401 |
10 | 111785599 |
11 | 360788468 |
12 | 1075829429 |
13 | 2993017696 |
14 | 7832960008 |
15 | 19417916324 |
16 | 45865067963 |
17 | 103734768130 |
18 | 225619306783 |
19 | 473616394498 |
20 | 962612525277 |
21 | 1899542726132 |
[15,138,1178,9113,61808,361361,1825607,8065278, 31631401,111785599,360788468,1075829429, 2993017696,7832960008,19417916324,45865067963, 103734768130,225619306783,473616394498, 962612525277,1899542726132] |