The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 16 |
| 3 | 24 |
| 4 | 41 |
| 5 | 220 |
| 6 | 971 |
| 7 | 972 |
| 8 | 8554 |
| 9 | 42485 |
| 10 | 42486 |
| 11 | 271979 |
| 12 | 1039315 |
| 13 | 1727602 |
| 14 | 6855865 |
| 15 | 63416789 |
| 16 | 106892452 |
| 17 | 356677212 |
[0,16,24,41,220,971,972,8554,42485,42486,271979, 1039315,1727602,6855865,63416789,106892452, 356677212] |