The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 21 |
| 3 | 11 |
| 4 | 143 |
| 5 | 88179 |
| 6 | 111435 |
| 7 | 111435 |
| 8 | 1361270295 |
| 9 | 1137235 |
| 10 | 9945637 |
| 11 | 16009448637 |
| 12 | 19293438101 |
| 13 | 3607872924887 |
| 14 | 2630885818709841 |
| 15 | 195084537038811 |
| 16 | 45500599374052095 |
| 17 | 1472444896343699846295 |
| 18 | 1997334750675075735 |
| 19 | 145805436799280528655 |
| 20 | 107268833547674677179 |
[1,21,11,143,88179,111435,111435,1361270295, 1137235,9945637,16009448637,19293438101, 3607872924887,2630885818709841,195084537038811, 45500599374052095,1472444896343699846295, 1997334750675075735,145805436799280528655, 107268833547674677179] |