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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 14 |
| 4 | 3 |
| 5 | 60 |
| 6 | 3 |
| 7 | 254 |
| 8 | 1 |
| 9 | 1022 |
| 10 | 1 |
| 11 | 4094 |
| 12 | 11 |
| 13 | 16382 |
| 14 | 3 |
| 15 | 65532 |
| 16 | 7 |
| 17 | 262138 |
| 18 | 7 |
| 19 | 1048574 |
| 20 | 1 |
| 21 | 4194302 |
| 22 | 3 |
| 23 | 16777212 |
| 24 | 7 |
| 25 | 67108858 |
| 26 | 13 |
| 27 | 268435446 |
| 28 | 187 |
| 29 | 1073741804 |
| 30 | 23 |
| 31 | 4294967278 |
| 32 | 177 |
| 33 | 17179869038 |
| 34 | 243 |
| 35 | 68719476590 |
| 36 | 241 |
| 37 | 274877906862 |
| 38 | 115 |
| 39 | 1099511627758 |
| 40 | 669 |
[1,2,1,14,3,60,3,254,1,1022,1,4094,11,16382,3, 65532,7,262138,7,1048574,1,4194302,3,16777212,7, 67108858,13,268435446,187,1073741804,23, 4294967278,177,17179869038,243,68719476590,241, 274877906862,115,1099511627758,669] |