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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 18 |
| 3 | 48 |
| 4 | 108 |
| 5 | 204 |
| 6 | 342 |
| 7 | 528 |
| 8 | 780 |
| 9 | 1100 |
| 10 | 1494 |
| 11 | 1968 |
| 12 | 2576 |
| 13 | 3292 |
| 14 | 4122 |
| 15 | 5104 |
| 16 | 6240 |
| 17 | 7524 |
| 18 | 8962 |
| 19 | 10560 |
| 20 | 12348 |
| 21 | 14324 |
| 22 | 16494 |
| 23 | 18864 |
| 24 | 21600 |
| 25 | 24572 |
| 26 | 27786 |
| 27 | 31248 |
| 28 | 34996 |
| 29 | 39012 |
| 30 | 43362 |
| 31 | 48000 |
| 32 | 52968 |
| 33 | 58244 |
| 34 | 63834 |
| 35 | 69840 |
| 36 | 76308 |
| 37 | 83132 |
| 38 | 90318 |
| 39 | 97872 |
| 40 | 105972 |
| 41 | 114468 |
| 42 | 123378 |
| 43 | 132704 |
| 44 | 142500 |
| 45 | 152892 |
| 46 | 163742 |
| 47 | 175056 |
[4,18,48,108,204,342,528,780,1100,1494,1968,2576, 3292,4122,5104,6240,7524,8962,10560,12348,14324, 16494,18864,21600,24572,27786,31248,34996,39012, 43362,48000,52968,58244,63834,69840,76308,83132, 90318,97872,105972,114468,123378,132704,142500, 152892,163742,175056] |