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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 63 |
| 3 | 364 |
| 4 | 2047 |
| 5 | 3906 |
| 6 | 22932 |
| 7 | 19608 |
| 8 | 65535 |
| 9 | 88573 |
| 10 | 246078 |
| 11 | 177156 |
| 12 | 745108 |
| 13 | 402234 |
| 14 | 1235304 |
| 15 | 1421784 |
| 16 | 2097151 |
| 17 | 1508598 |
| 18 | 5580099 |
| 19 | 2613660 |
| 20 | 7995582 |
| 21 | 7137312 |
| 22 | 11160828 |
| 23 | 6728904 |
| 24 | 23854740 |
| 25 | 12207031 |
| 26 | 25340742 |
| 27 | 21523360 |
| 28 | 40137576 |
| 29 | 21243690 |
| 30 | 89572392 |
| 31 | 29583456 |
| 32 | 67108863 |
[1,63,364,2047,3906,22932,19608,65535,88573, 246078,177156,745108,402234,1235304,1421784, 2097151,1508598,5580099,2613660,7995582,7137312, 11160828,6728904,23854740,12207031,25340742, 21523360,40137576,21243690,89572392,29583456, 67108863] |