The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 5 |
| 6 | 1 |
| 7 | 13 |
| 8 | 3 |
| 9 | 4 |
| 10 | 3 |
| 11 | 89 |
| 12 | 4 |
| 13 | 233 |
| 14 | 1 |
| 15 | 1 |
| 16 | 4 |
| 17 | 1597 |
| 18 | 1 |
| 19 | 4181 |
| 20 | 1 |
| 21 | 1 |
| 22 | 9 |
| 23 | 28657 |
| 24 | 1 |
| 25 | 10 |
| 26 | 1 |
| 27 | 6 |
| 28 | 5 |
| 29 | 514229 |
| 30 | 1 |
| 31 | 1346269 |
| 32 | 5 |
| 33 | 1 |
| 34 | 1 |
| 35 | 2 |
| 36 | 6 |
| 37 | 24157817 |
| 38 | 17 |
| 39 | 5 |
| 40 | 4 |
| 41 | 165580141 |
| 42 | 1 |
| 43 | 433494437 |
| 44 | 1 |
| 45 | 3 |
| 46 | 7 |
| 47 | 2971215073 |
| 48 | 2 |
| 49 | 26 |
| 50 | 1 |
| 51 | 1 |
| 52 | 1 |
| 53 | 53316291173 |
| 54 | 1 |
| 55 | 2 |
| 56 | 4 |
| 57 | 1 |
| 58 | 3 |
| 59 | 956722026041 |
| 60 | 1 |
| 61 | 2504730781961 |
| 62 | 1 |
| 63 | 1 |
| 64 | 6 |
| 65 | 2 |
| 66 | 1 |
| 67 | 44945570212853 |
| 68 | 3 |
| 69 | 1 |
| 70 | 1 |
[0,1,2,2,5,1,13,3,4,3,89,4,233,1,1,4,1597,1,4181, 1,1,9,28657,1,10,1,6,5,514229,1,1346269,5,1,1,2,6, 24157817,17,5,4,165580141,1,433494437,1,3,7, 2971215073,2,26,1,1,1,53316291173,1,2,4,1,3, 956722026041,1,2504730781961,1,1,6,2,1, 44945570212853,3,1,1] |