The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 31774 |
| 2 | 55941 |
| 3 | 84953 |
| 4 | 183494 |
| 5 | 710758 |
| 6 | 2297641 |
| 7 | 9138994 |
| 8 | 27977649 |
| 9 | 118955569 |
| 10 | 380855595 |
| 11 | 1552701716 |
| 12 | 4826092817 |
| 13 | 20665212175 |
| 14 | 66338031686 |
| 15 | 273170530792 |
| 16 | 850783059320 |
| 17 | 3644378584228 |
| 18 | 11704818279088 |
| 19 | 48350109615945 |
[31774,55941,84953,183494,710758,2297641,9138994, 27977649,118955569,380855595,1552701716, 4826092817,20665212175,66338031686,273170530792, 850783059320,3644378584228,11704818279088, 48350109615945] |