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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 21 |
| 3 | 161 |
| 4 | 341 |
| 5 | 901 |
| 6 | 1281 |
| 7 | 1853 |
| 8 | 3201 |
| 9 | 4181 |
| 10 | 5473 |
| 11 | 5611 |
| 12 | 5777 |
| 13 | 6119 |
| 14 | 6721 |
| 15 | 9729 |
| 16 | 10877 |
| 17 | 11041 |
| 18 | 12209 |
| 19 | 12441 |
| 20 | 13201 |
| 21 | 14981 |
| 22 | 15251 |
| 23 | 16771 |
| 24 | 17941 |
| 25 | 20591 |
| 26 | 20769 |
| 27 | 20801 |
| 28 | 23323 |
| 29 | 25761 |
| 30 | 27403 |
| 31 | 27661 |
| 32 | 28121 |
| 33 | 28421 |
| 34 | 29489 |
| 35 | 33001 |
| 36 | 34561 |
| 37 | 38801 |
| 38 | 39281 |
| 39 | 41159 |
| 40 | 42721 |
[9,21,161,341,901,1281,1853,3201,4181,5473,5611, 5777,6119,6721,9729,10877,11041,12209,12441,13201, 14981,15251,16771,17941,20591,20769,20801,23323, 25761,27403,27661,28121,28421,29489,33001,34561, 38801,39281,41159,42721] |