The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 2 |
| 6 | 5 |
| 7 | 2 |
| 8 | 5 |
| 9 | 7 |
| 10 | 2 |
| 11 | 5 |
| 12 | 7 |
| 13 | 2 |
| 14 | 5 |
| 15 | 7 |
| 16 | 2 |
| 17 | 5 |
| 18 | 7 |
| 19 | 10 |
| 20 | 2 |
| 21 | 5 |
| 22 | 7 |
| 23 | 10 |
| 24 | 2 |
| 25 | 5 |
| 26 | 7 |
| 27 | 10 |
| 28 | 2 |
| 29 | 5 |
| 30 | 7 |
| 31 | 10 |
| 32 | 13 |
| 33 | 2 |
| 34 | 5 |
| 35 | 7 |
| 36 | 10 |
| 37 | 13 |
| 38 | 2 |
| 39 | 5 |
| 40 | 7 |
| 41 | 10 |
| 42 | 13 |
| 43 | 15 |
| 44 | 2 |
| 45 | 5 |
| 46 | 7 |
| 47 | 10 |
| 48 | 13 |
| 49 | 15 |
| 50 | 2 |
| 51 | 5 |
| 52 | 7 |
| 53 | 10 |
| 54 | 13 |
| 55 | 15 |
| 56 | 2 |
| 57 | 5 |
| 58 | 7 |
| 59 | 10 |
| 60 | 13 |
| 61 | 15 |
| 62 | 18 |
| 63 | 2 |
| 64 | 5 |
| 65 | 7 |
| 66 | 10 |
| 67 | 13 |
| 68 | 15 |
| 69 | 18 |
| 70 | 2 |
| 71 | 5 |
| 72 | 7 |
| 73 | 10 |
| 74 | 13 |
| 75 | 15 |
| 76 | 18 |
| 77 | 20 |
[2,2,2,2,5,2,5,2,5,7,2,5,7,2,5,7,2,5,7,10,2,5,7, 10,2,5,7,10,2,5,7,10,13,2,5,7,10,13,2,5,7,10,13, 15,2,5,7,10,13,15,2,5,7,10,13,15,2,5,7,10,13,15, 18,2,5,7,10,13,15,18,2,5,7,10,13,15,18,20] |