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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 4 |
| 4 | 12 |
| 5 | 24 |
| 6 | 56 |
| 7 | 112 |
| 8 | 240 |
| 9 | 224 |
| 10 | 480 |
| 11 | 960 |
| 12 | 1984 |
| 13 | 8064 |
| 14 | 8064 |
| 15 | 32512 |
| 16 | 32512 |
| 17 | 130560 |
| 18 | 130560 |
| 19 | 261120 |
| 20 | 1047552 |
| 21 | 1046528 |
| 22 | 2095104 |
| 23 | 8384512 |
| 24 | 16773120 |
| 25 | 33546240 |
| 26 | 67100672 |
| 27 | 134201344 |
| 28 | 268419072 |
| 29 | 536838144 |
| 30 | 1073709056 |
| 31 | 2147418112 |
| 32 | 4294901760 |
| 33 | 8589803520 |
[1,2,2,4,12,24,56,112,240,224,480,960,1984,8064, 8064,32512,32512,130560,130560,261120,1047552, 1046528,2095104,8384512,16773120,33546240, 67100672,134201344,268419072,536838144,1073709056, 2147418112,4294901760,8589803520] |