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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 16 |
| 5 | 36 |
| 6 | 64 |
| 7 | 218 |
| 8 | 1856 |
| 9 | 2112 |
| 10 | 4096 |
| 11 | 9608 |
| 12 | 136376 |
| 13 | 445440 |
| 14 | 528384 |
| 15 | 1048576 |
| 16 | 1540944 |
| 17 | 62020640 |
| 18 | 270506880 |
| 19 | 449511424 |
| 20 | 537919488 |
| 21 | 1073741824 |
| 22 | 882033440 |
| 23 | 55259421024 |
| 24 | 435010671104 |
| 25 | 1101584588800 |
| 26 | 1834672455680 |
| 27 | 2200096997376 |
| 28 | 4398046511104 |
[1,3,4,16,36,64,218,1856,2112,4096,9608,136376, 445440,528384,1048576,1540944,62020640,270506880, 449511424,537919488,1073741824,882033440, 55259421024,435010671104,1101584588800, 1834672455680,2200096997376,4398046511104] |