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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 8 |
| 8 | 8 |
| 9 | 10 |
| 10 | 10 |
| 11 | 13 |
| 12 | 13 |
| 13 | 13 |
| 14 | 16 |
| 15 | 16 |
| 16 | 16 |
| 17 | 21 |
| 18 | 21 |
| 19 | 21 |
| 20 | 21 |
| 21 | 21 |
| 22 | 28 |
| 23 | 30 |
| 24 | 30 |
| 25 | 30 |
| 26 | 34 |
| 27 | 34 |
| 28 | 34 |
| 29 | 34 |
| 30 | 34 |
| 31 | 34 |
| 32 | 34 |
| 33 | 34 |
| 34 | 34 |
| 35 | 43 |
| 36 | 45 |
| 37 | 50 |
| 38 | 50 |
| 39 | 50 |
| 40 | 50 |
| 41 | 55 |
| 42 | 55 |
| 43 | 55 |
| 44 | 55 |
| 45 | 55 |
| 46 | 55 |
| 47 | 55 |
| 48 | 55 |
| 49 | 55 |
| 50 | 55 |
| 51 | 55 |
| 52 | 55 |
| 53 | 55 |
| 54 | 55 |
| 55 | 55 |
| 56 | 72 |
| 57 | 73 |
| 58 | 73 |
| 59 | 73 |
| 60 | 81 |
| 61 | 81 |
| 62 | 81 |
| 63 | 81 |
| 64 | 81 |
| 65 | 81 |
| 66 | 89 |
| 67 | 89 |
| 68 | 89 |
| 69 | 89 |
[2,3,4,5,6,8,8,10,10,13,13,13,16,16,16,21,21,21, 21,21,28,30,30,30,34,34,34,34,34,34,34,34,34,43, 45,50,50,50,50,55,55,55,55,55,55,55,55,55,55,55, 55,55,55,55,72,73,73,73,81,81,81,81,81,81,89,89, 89,89] |