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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 7 |
| 3 | 49 |
| 4 | 98 |
| 5 | 49 |
| 6 | 343 |
| 7 | 1029 |
| 8 | 1029 |
| 9 | 343 |
| 10 | 2401 |
| 11 | 9604 |
| 12 | 14406 |
| 13 | 9604 |
| 14 | 2401 |
| 15 | 16807 |
| 16 | 84035 |
| 17 | 168070 |
| 18 | 168070 |
| 19 | 84035 |
| 20 | 16807 |
| 21 | 117649 |
| 22 | 705894 |
| 23 | 1764735 |
| 24 | 2352980 |
| 25 | 1764735 |
| 26 | 705894 |
| 27 | 117649 |
| 28 | 823543 |
| 29 | 5764801 |
| 30 | 17294403 |
| 31 | 28824005 |
| 32 | 28824005 |
[1,7,7,49,98,49,343,1029,1029,343,2401,9604,14406, 9604,2401,16807,84035,168070,168070,84035,16807, 117649,705894,1764735,2352980,1764735,705894, 117649,823543,5764801,17294403,28824005,28824005] |