The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 9 |
| 2 | 2 |
| 3 | 9 |
| 4 | 2 |
| 5 | 9 |
| 6 | 2 |
| 7 | 9 |
| 8 | 2 |
| 9 | 9 |
| 10 | 2 |
| 11 | 9 |
| 12 | 2 |
| 13 | 9 |
| 14 | 2 |
| 15 | 9 |
| 16 | 2 |
| 17 | 9 |
| 18 | 2 |
| 19 | 9 |
| 20 | 2 |
| 21 | 9 |
| 22 | 2 |
| 23 | 9 |
| 24 | 2 |
| 25 | 9 |
| 26 | 2 |
| 27 | 9 |
| 28 | 2 |
| 29 | 9 |
| 30 | 2 |
| 31 | 9 |
| 32 | 2 |
| 33 | 9 |
| 34 | 2 |
| 35 | 9 |
| 36 | 2 |
| 37 | 9 |
| 38 | 2 |
| 39 | 9 |
| 40 | 2 |
| 41 | 9 |
| 42 | 2 |
| 43 | 9 |
| 44 | 2 |
| 45 | 9 |
| 46 | 2 |
| 47 | 9 |
| 48 | 2 |
| 49 | 9 |
| 50 | 2 |
| 51 | 9 |
| 52 | 2 |
| 53 | 9 |
| 54 | 2 |
| 55 | 9 |
| 56 | 2 |
| 57 | 9 |
| 58 | 2 |
| 59 | 9 |
| 60 | 2 |
| 61 | 9 |
| 62 | 2 |
| 63 | 9 |
| 64 | 2 |
| 65 | 9 |
| 66 | 2 |
| 67 | 9 |
| 68 | 2 |
| 69 | 9 |
| 70 | 2 |
| 71 | 9 |
| 72 | 2 |
| 73 | 9 |
| 74 | 2 |
| 75 | 9 |
| 76 | 2 |
| 77 | 9 |
| 78 | 2 |
| 79 | 9 |
| 80 | 2 |
[2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9, 2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2, 9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9,2,9, 2,9,2,9,2,9,2] |