The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 6 |
| 3 | 21 |
| 4 | 6 |
| 5 | 21 |
| 6 | 81 |
| 7 | 81 |
| 8 | 6 |
| 9 | 21 |
| 10 | 81 |
| 11 | 81 |
| 12 | 81 |
| 13 | 306 |
| 14 | 486 |
| 15 | 261 |
| 16 | 6 |
| 17 | 21 |
| 18 | 81 |
| 19 | 81 |
| 20 | 81 |
| 21 | 306 |
| 22 | 486 |
| 23 | 261 |
| 24 | 81 |
| 25 | 306 |
| 26 | 486 |
| 27 | 486 |
| 28 | 1161 |
| 29 | 2376 |
| 30 | 2241 |
| 31 | 801 |
| 32 | 6 |
| 33 | 21 |
| 34 | 81 |
| 35 | 81 |
| 36 | 81 |
| 37 | 306 |
| 38 | 486 |
| 39 | 261 |
| 40 | 81 |
| 41 | 306 |
| 42 | 486 |
| 43 | 486 |
| 44 | 1161 |
| 45 | 2376 |
| 46 | 2241 |
| 47 | 801 |
| 48 | 81 |
| 49 | 306 |
| 50 | 486 |
| 51 | 486 |
| 52 | 1161 |
| 53 | 2376 |
| 54 | 2241 |
| 55 | 1026 |
| 56 | 1161 |
| 57 | 2376 |
| 58 | 2916 |
[1,1,6,21,6,21,81,81,6,21,81,81,81,306,486,261,6, 21,81,81,81,306,486,261,81,306,486,486,1161,2376, 2241,801,6,21,81,81,81,306,486,261,81,306,486,486, 1161,2376,2241,801,81,306,486,486,1161,2376,2241, 1026,1161,2376,2916] |