The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 107 |
| 3 | 523 |
| 4 | 1279 |
| 5 | 1787 |
| 6 | 4091 |
| 7 | 16103 |
| 8 | 18041 |
| 9 | 46889 |
| 10 | 68437 |
| 11 | 104561 |
| 12 | 155443 |
| 13 | 161641 |
| 14 | 174367 |
| 15 | 187573 |
| 16 | 303473 |
| 17 | 330587 |
| 18 | 359231 |
| 19 | 419929 |
| 20 | 430517 |
| 21 | 634793 |
| 22 | 878939 |
| 23 | 974507 |
| 24 | 1469753 |
| 25 | 1510319 |
| 26 | 1700851 |
| 27 | 1902653 |
| 28 | 2836961 |
| 29 | 2982841 |
| 30 | 3476299 |
| 31 | 3807589 |
[19,107,523,1279,1787,4091,16103,18041,46889, 68437,104561,155443,161641,174367,187573,303473, 330587,359231,419929,430517,634793,878939,974507, 1469753,1510319,1700851,1902653,2836961,2982841, 3476299,3807589] |