n | a(n) |
---|---|
0 | 7 |
1 | 1 |
2 | 35 |
3 | 121 |
4 | 743 |
5 | 3561 |
6 | 18995 |
7 | 96433 |
8 | 500871 |
9 | 2573905 |
10 | 13292995 |
11 | 68492073 |
12 | 353290343 |
13 | 1821383097 |
14 | 9392360019 |
15 | 48428332641 |
16 | 249716406791 |
17 | 1287608913057 |
18 | 6639354593123 |
19 | 34234612471001 |
20 | 176524935990503 |
21 | 910219628918665 |
22 | 4693389213891699 |
23 | 24200638961917201 |
[7,1,35,121,743,3561,18995,96433,500871,2573905, 13292995,68492073,353290343,1821383097,9392360019, 48428332641,249716406791,1287608913057, 6639354593123,34234612471001,176524935990503, 910219628918665,4693389213891699, 24200638961917201] |