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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 35 |
| 4 | 99 |
| 5 | 227 |
| 6 | 2275 |
| 7 | 6371 |
| 8 | 14563 |
| 9 | 145635 |
| 10 | 407779 |
| 11 | 932067 |
| 12 | 9320675 |
| 13 | 26097891 |
| 14 | 59652323 |
| 15 | 596523235 |
| 16 | 1670265059 |
| 17 | 3817748707 |
| 18 | 38177487075 |
| 19 | 106896963811 |
| 20 | 244335917283 |
| 21 | 2443359172835 |
| 22 | 6841405683939 |
| 23 | 15637498706147 |
[1,3,35,99,227,2275,6371,14563,145635,407779, 932067,9320675,26097891,59652323,596523235, 1670265059,3817748707,38177487075,106896963811, 244335917283,2443359172835,6841405683939, 15637498706147] |