n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 21 |
3 | 151 |
4 | 1257 |
5 | 12651 |
6 | 151933 |
7 | 2127231 |
8 | 34035921 |
9 | 612646867 |
10 | 12252937701 |
11 | 269564629863 |
12 | 6469551117241 |
13 | 168208329048891 |
14 | 4709833213369677 |
15 | 141294996401091151 |
16 | 4521439884834917793 |
17 | 153728956084387206051 |
18 | 5534242419037939419061 |
19 | 210301211923441697925687 |
[1,3,21,151,1257,12651,151933,2127231,34035921, 612646867,12252937701,269564629863,6469551117241, 168208329048891,4709833213369677, 141294996401091151,4521439884834917793, 153728956084387206051,5534242419037939419061, 210301211923441697925687] |