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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 7 |
| 7 | 14 |
| 8 | 18 |
| 9 | 28 |
| 10 | 39 |
| 11 | 62 |
| 12 | 81 |
| 13 | 126 |
| 14 | 175 |
| 15 | 246 |
| 16 | 360 |
| 17 | 510 |
| 18 | 728 |
| 19 | 1022 |
| 20 | 1485 |
| 21 | 2030 |
| 22 | 3007 |
| 23 | 4094 |
| 24 | 6030 |
| 25 | 8184 |
| 26 | 12159 |
| 27 | 16352 |
| 28 | 24381 |
| 29 | 32766 |
| 30 | 48849 |
| 31 | 65534 |
| 32 | 97920 |
| 33 | 131006 |
| 34 | 196095 |
| 35 | 262122 |
| 36 | 392364 |
| 37 | 524286 |
| 38 | 785407 |
| 39 | 1048446 |
| 40 | 1571310 |
| 41 | 2097150 |
| 42 | 3143497 |
[2,1,2,3,6,7,14,18,28,39,62,81,126,175,246,360, 510,728,1022,1485,2030,3007,4094,6030,8184,12159, 16352,24381,32766,48849,65534,97920,131006,196095, 262122,392364,524286,785407,1048446,1571310, 2097150,3143497] |