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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 287 |
| 3 | 287 |
| 4 | 1069 |
| 5 | 1503 |
| 6 | 1069 |
| 7 | 4131 |
| 8 | 8117 |
| 9 | 8117 |
| 10 | 4131 |
| 11 | 16153 |
| 12 | 46023 |
| 13 | 61750 |
| 14 | 46023 |
| 15 | 16153 |
| 16 | 63867 |
| 17 | 260957 |
| 18 | 499947 |
| 19 | 499947 |
| 20 | 260957 |
| 21 | 63867 |
| 22 | 253269 |
| 23 | 1502355 |
| 24 | 4012441 |
| 25 | 5913287 |
| 26 | 4012441 |
| 27 | 1502355 |
| 28 | 253269 |
| 29 | 1008347 |
| 30 | 8629071 |
| 31 | 32940090 |
| 32 | 68777909 |
[81,287,287,1069,1503,1069,4131,8117,8117,4131, 16153,46023,61750,46023,16153,63867,260957,499947, 499947,260957,63867,253269,1502355,4012441, 5913287,4012441,1502355,253269,1008347,8629071, 32940090,68777909] |