| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 18 |
| 3 | 38 |
| 4 | 66 |
| 5 | 102 |
| 6 | 146 |
| 7 | 198 |
| 8 | 258 |
| 9 | 326 |
| 10 | 402 |
| 11 | 486 |
| 12 | 578 |
| 13 | 678 |
| 14 | 786 |
| 15 | 902 |
| 16 | 1026 |
| 17 | 1158 |
| 18 | 1298 |
| 19 | 1446 |
| 20 | 1602 |
| 21 | 1766 |
| 22 | 1938 |
| 23 | 2118 |
| 24 | 2306 |
| 25 | 2502 |
| 26 | 2706 |
| 27 | 2918 |
| 28 | 3138 |
| 29 | 3366 |
| 30 | 3602 |
| 31 | 3846 |
| 32 | 4098 |
| 33 | 4358 |
| 34 | 4626 |
| 35 | 4902 |
| 36 | 5186 |
| 37 | 5478 |
| 38 | 5778 |
| 39 | 6086 |
| 40 | 6402 |
| 41 | 6726 |
| 42 | 7058 |
| 43 | 7398 |
| 44 | 7746 |
| 45 | 8102 |
| 46 | 8466 |
[1,6,18,38,66,102,146,198,258,326,402,486,578,678, 786,902,1026,1158,1298,1446,1602,1766,1938,2118, 2306,2502,2706,2918,3138,3366,3602,3846,4098,4358, 4626,4902,5186,5478,5778,6086,6402,6726,7058,7398, 7746,8102,8466] |