The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 3 | 9 |
| 4 | 12 |
| 5 | 15 |
| 6 | 18 |
| 7 | 49 |
| 8 | 56 |
| 9 | 252 |
| 10 | 280 |
| 11 | 308 |
| 12 | 312 |
| 13 | 650 |
| 14 | 700 |
| 15 | 1845 |
| 16 | 1968 |
| 17 | 2091 |
| 18 | 1962 |
| 19 | 3401 |
| 20 | 3580 |
| 21 | 7056 |
| 22 | 7392 |
| 23 | 7728 |
| 24 | 7560 |
| 25 | 11050 |
| 26 | 11492 |
| 27 | 19305 |
| 28 | 20020 |
| 29 | 20735 |
| 30 | 19320 |
| 31 | 27497 |
| 32 | 28384 |
| 33 | 43164 |
| 34 | 44472 |
| 35 | 45780 |
| 36 | 45720 |
| 37 | 57794 |
| 38 | 59356 |
| 39 | 84357 |
| 40 | 86520 |
| 41 | 88683 |
| 42 | 86730 |
| 43 | 108145 |
| 44 | 110660 |
[9,12,15,18,49,56,252,280,308,312,650,700,1845, 1968,2091,1962,3401,3580,7056,7392,7728,7560, 11050,11492,19305,20020,20735,19320,27497,28384, 43164,44472,45780,45720,57794,59356,84357,86520, 88683,86730,108145,110660] |