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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 0 |
| 3 | 25 |
| 4 | 169 |
| 5 | 841 |
| 6 | 95 |
| 7 | 247 |
| 8 | 943 |
| 9 | 767 |
| 10 | 5999 |
| 11 | 6139 |
| 12 | 16123 |
| 13 | 30655 |
| 14 | 90109 |
| 15 | 122847 |
| 16 | 245695 |
| 17 | 522237 |
| 18 | 1572591 |
| 19 | 1966015 |
| 20 | 3932095 |
| 21 | 12582651 |
| 22 | 28311519 |
| 23 | 33423343 |
| 24 | 100663023 |
| 25 | 133693435 |
| 26 | 402128831 |
| 27 | 931135479 |
| 28 | 1069547515 |
| 29 | 1610612607 |
| 30 | 11802771447 |
| 31 | 12884901567 |
| 32 | 25736249279 |
[2,0,25,169,841,95,247,943,767,5999,6139,16123, 30655,90109,122847,245695,522237,1572591,1966015, 3932095,12582651,28311519,33423343,100663023, 133693435,402128831,931135479,1069547515, 1610612607,11802771447,12884901567,25736249279] |