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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 9 |
| 3 | 17 |
| 4 | 21 |
| 5 | 29 |
| 6 | 37 |
| 7 | 69 |
| 8 | 97 |
| 9 | 105 |
| 10 | 125 |
| 11 | 173 |
| 12 | 213 |
| 13 | 245 |
| 14 | 293 |
| 15 | 373 |
| 16 | 425 |
| 17 | 417 |
| 18 | 417 |
| 19 | 473 |
| 20 | 557 |
| 21 | 637 |
| 22 | 697 |
| 23 | 761 |
| 24 | 853 |
| 25 | 933 |
| 26 | 989 |
| 27 | 1101 |
| 28 | 1241 |
| 29 | 1337 |
| 30 | 1393 |
| 31 | 1553 |
| 32 | 1673 |
| 33 | 1657 |
| 34 | 1709 |
| 35 | 1781 |
| 36 | 1881 |
| 37 | 2001 |
| 38 | 2073 |
| 39 | 2249 |
| 40 | 2441 |
| 41 | 2441 |
| 42 | 2533 |
| 43 | 2813 |
| 44 | 3037 |
| 45 | 3197 |
| 46 | 3341 |
| 47 | 3597 |
| 48 | 3857 |
[1,5,9,17,21,29,37,69,97,105,125,173,213,245,293, 373,425,417,417,473,557,637,697,761,853,933,989, 1101,1241,1337,1393,1553,1673,1657,1709,1781,1881, 2001,2073,2249,2441,2441,2533,2813,3037,3197,3341, 3597,3857] |