The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 0 |
| 6 | 33 |
| 7 | 1 |
| 8 | 9 |
| 9 | 1 |
| 10 | 1 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 1 |
| 16 | 1 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 7 |
| 21 | 3 |
| 22 | 3 |
| 23 | 1 |
| 24 | 1111 |
| 25 | 111 |
| 26 | 3 |
| 27 | 3 |
| 28 | 1 |
| 29 | 9 |
| 30 | 1 |
| 31 | 33 |
| 32 | 1 |
| 33 | 111 |
| 34 | 3 |
| 35 | 1 |
| 36 | 3 |
| 37 | 3 |
| 38 | 9 |
| 39 | 777 |
| 40 | 1 |
| 41 | 3 |
| 42 | 77 |
| 43 | 7 |
| 44 | 9 |
| 45 | 1 |
| 46 | 777 |
| 47 | 9 |
| 48 | 3 |
| 49 | 7 |
| 50 | 333 |
| 51 | 7 |
| 52 | 1 |
| 53 | 3 |
| 54 | 1 |
| 55 | 3 |
| 56 | 3 |
| 57 | 3 |
| 58 | 3 |
| 59 | 9 |
| 60 | 7 |
| 61 | 3 |
| 62 | 3 |
| 63 | 3 |
| 64 | 3 |
| 65 | 9 |
| 66 | 1 |
| 67 | 9 |
| 68 | 777 |
| 69 | 7 |
| 70 | 3 |
| 71 | 3 |
| 72 | 1 |
| 73 | 77 |
| 74 | 9 |
| 75 | 11 |
| 76 | 1 |
| 77 | 3 |
| 78 | 9 |
| 79 | 1 |
| 80 | 9 |
[7,1,1,3,0,33,1,9,1,1,3,3,3,3,1,1,3,3,3,7,3,3,1, 1111,111,3,3,1,9,1,33,1,111,3,1,3,3,9,777,1,3,77, 7,9,1,777,9,3,7,333,7,1,3,1,3,3,3,3,9,7,3,3,3,3,9, 1,9,777,7,3,3,1,77,9,11,1,3,9,1,9] |