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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 8 |
| 6 | 31 |
| 7 | 32 |
| 8 | 34 |
| 9 | 74 |
| 10 | 76 |
| 11 | 1052 |
| 12 | 6455 |
| 13 | 15928 |
| 14 | 251707 |
| 15 | 251765 |
| 16 | 4124458 |
| 17 | 27067012 |
| 18 | 27067120 |
| 19 | 69709718 |
| 20 | 69709871 |
| 21 | 69709877 |
| 22 | 69709934 |
| 23 | 69709943 |
| 24 | 69709954 |
| 25 | 69709963 |
| 26 | 69709964 |
| 27 | 465769810 |
| 28 | 8179002124 |
| 29 | 145935689390 |
| 30 | 382465573486 |
| 31 | 885992692751818 |
| 32 | 885992692751822 |
[1,2,4,7,8,31,32,34,74,76,1052,6455,15928,251707, 251765,4124458,27067012,27067120,69709718, 69709871,69709877,69709934,69709943,69709954, 69709963,69709964,465769810,8179002124, 145935689390,382465573486,885992692751818, 885992692751822] |