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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 9 |
| 3 | 21 |
| 4 | 49 |
| 5 | 61 |
| 6 | 97 |
| 7 | 157 |
| 8 | 225 |
| 9 | 237 |
| 10 | 273 |
| 11 | 333 |
| 12 | 417 |
| 13 | 525 |
| 14 | 657 |
| 15 | 813 |
| 16 | 961 |
| 17 | 973 |
| 18 | 1009 |
| 19 | 1069 |
| 20 | 1153 |
| 21 | 1261 |
| 22 | 1393 |
| 23 | 1549 |
| 24 | 1729 |
| 25 | 1933 |
| 26 | 2161 |
| 27 | 2413 |
| 28 | 2689 |
| 29 | 2989 |
| 30 | 3313 |
| 31 | 3661 |
| 32 | 3969 |
| 33 | 3981 |
| 34 | 4017 |
| 35 | 4077 |
| 36 | 4161 |
| 37 | 4269 |
| 38 | 4401 |
| 39 | 4557 |
| 40 | 4737 |
| 41 | 4941 |
| 42 | 5169 |
| 43 | 5421 |
| 44 | 5697 |
| 45 | 5997 |
| 46 | 6321 |
| 47 | 6669 |
| 48 | 7041 |
| 49 | 7437 |
| 50 | 7857 |
| 51 | 8301 |
| 52 | 8769 |
| 53 | 9261 |
| 54 | 9777 |
| 55 | 10317 |
| 56 | 10881 |
| 57 | 11469 |
[0,1,9,21,49,61,97,157,225,237,273,333,417,525, 657,813,961,973,1009,1069,1153,1261,1393,1549, 1729,1933,2161,2413,2689,2989,3313,3661,3969,3981, 4017,4077,4161,4269,4401,4557,4737,4941,5169,5421, 5697,5997,6321,6669,7041,7437,7857,8301,8769,9261, 9777,10317,10881,11469] |