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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 10 |
| 5 | 26 |
| 6 | 31 |
| 7 | 58 |
| 8 | 122 |
| 9 | 127 |
| 10 | 1018 |
| 11 | 2042 |
| 12 | 8186 |
| 13 | 8191 |
| 14 | 32762 |
| 15 | 131071 |
| 16 | 524287 |
| 17 | 2097146 |
| 18 | 8388602 |
| 19 | 33554426 |
| 20 | 1073741818 |
| 21 | 2147483647 |
| 22 | 2305843009213693951 |
| 23 | 618970019642690137449562111 |
| 24 | 39614081257132168796771975162 |
| 25 | 162259276829213363391578010288127 |
| 26 | 166153499473114484112975882535043066 |
[1,3,7,10,26,31,58,122,127,1018,2042,8186,8191, 32762,131071,524287,2097146,8388602,33554426, 1073741818,2147483647,2305843009213693951, 618970019642690137449562111, 39614081257132168796771975162, 162259276829213363391578010288127, 166153499473114484112975882535043066] |