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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 15 |
| 4 | 17 |
| 5 | 51 |
| 6 | 85 |
| 7 | 255 |
| 8 | 257 |
| 9 | 771 |
| 10 | 1285 |
| 11 | 3855 |
| 12 | 4369 |
| 13 | 13107 |
| 14 | 21845 |
| 15 | 65535 |
| 16 | 65537 |
| 17 | 196611 |
| 18 | 327685 |
| 19 | 983055 |
| 20 | 1114129 |
| 21 | 3342387 |
| 22 | 5570645 |
| 23 | 16711935 |
| 24 | 16843009 |
| 25 | 50529027 |
| 26 | 84215045 |
| 27 | 252645135 |
| 28 | 286331153 |
| 29 | 858993459 |
| 30 | 1431655765 |
| 31 | 4294967295 |
| 32 | 4294967297 |
| 33 | 12884901891 |
| 34 | 21474836485 |
| 35 | 64424509455 |
| 36 | 73014444049 |
| 37 | 219043332147 |
| 38 | 365072220245 |
| 39 | 1095216660735 |
| 40 | 1103806595329 |
| 41 | 3311419785987 |
[1,3,5,15,17,51,85,255,257,771,1285,3855,4369, 13107,21845,65535,65537,196611,327685,983055, 1114129,3342387,5570645,16711935,16843009, 50529027,84215045,252645135,286331153,858993459, 1431655765,4294967295,4294967297,12884901891, 21474836485,64424509455,73014444049,219043332147, 365072220245,1095216660735,1103806595329, 3311419785987] |