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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 13 |
| 3 | 35 |
| 4 | 65 |
| 5 | 97 |
| 6 | 193 |
| 7 | 485 |
| 8 | 769 |
| 9 | 1649 |
| 10 | 3281 |
| 11 | 8245 |
| 12 | 12289 |
| 13 | 24929 |
| 14 | 49601 |
| 15 | 124645 |
| 16 | 197633 |
| 17 | 423793 |
| 18 | 786433 |
| 19 | 2118965 |
| 20 | 3158273 |
| 21 | 6357089 |
| 22 | 12648641 |
| 23 | 31785445 |
| 24 | 50397953 |
| 25 | 108070513 |
| 26 | 202113281 |
| 27 | 540352565 |
| 28 | 805384193 |
| 29 | 1633771873 |
| 30 | 3221225473 |
| 31 | 8168859365 |
| 32 | 12952273921 |
[7,13,35,65,97,193,485,769,1649,3281,8245,12289, 24929,49601,124645,197633,423793,786433,2118965, 3158273,6357089,12648641,31785445,50397953, 108070513,202113281,540352565,805384193, 1633771873,3221225473,8168859365,12952273921] |