| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 16 |
| 4 | 32 |
| 5 | 64 |
| 6 | 126 |
| 7 | 128 |
| 8 | 252 |
| 9 | 256 |
| 10 | 378 |
| 11 | 390 |
| 12 | 504 |
| 13 | 512 |
| 14 | 630 |
| 15 | 756 |
| 16 | 780 |
| 17 | 798 |
| 18 | 882 |
| 19 | 1008 |
| 20 | 1024 |
| 21 | 1134 |
| 22 | 1150 |
| 23 | 1170 |
| 24 | 1260 |
| 25 | 1512 |
| 26 | 1560 |
| 27 | 1596 |
| 28 | 1764 |
| 29 | 1890 |
| 30 | 1950 |
| 31 | 2016 |
| 32 | 2046 |
| 33 | 2048 |
| 34 | 2268 |
| 35 | 2300 |
| 36 | 2340 |
| 37 | 2394 |
| 38 | 2520 |
| 39 | 2646 |
| 40 | 2730 |
| 41 | 2886 |
| 42 | 3024 |
| 43 | 3120 |
| 44 | 3150 |
| 45 | 3192 |
| 46 | 3402 |
| 47 | 3450 |
[4,8,16,32,64,126,128,252,256,378,390,504,512,630, 756,780,798,882,1008,1024,1134,1150,1170,1260, 1512,1560,1596,1764,1890,1950,2016,2046,2048,2268, 2300,2340,2394,2520,2646,2730,2886,3024,3120,3150, 3192,3402,3450] |