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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 15 |
| 6 | 39 |
| 7 | 77 |
| 8 | 216 |
| 9 | 459 |
| 10 | 1265 |
| 11 | 2739 |
| 12 | 7842 |
| 13 | 17641 |
| 14 | 49854 |
| 15 | 113175 |
| 16 | 327604 |
| 17 | 761787 |
| 18 | 2182833 |
| 19 | 5101595 |
| 20 | 14868582 |
| 21 | 35338401 |
| 22 | 102146176 |
| 23 | 243510453 |
| 24 | 713019480 |
| 25 | 1721265625 |
| 26 | 5005198029 |
| 27 | 12105626337 |
| 28 | 35565979706 |
| 29 | 86870058279 |
| 30 | 253706973975 |
| 31 | 620415879229 |
| 32 | 1827423157812 |
| 33 | 4504531840875 |
| 34 | 13199126952109 |
[1,1,2,3,8,15,39,77,216,459,1265,2739,7842,17641, 49854,113175,327604,761787,2182833,5101595, 14868582,35338401,102146176,243510453,713019480, 1721265625,5005198029,12105626337,35565979706, 86870058279,253706973975,620415879229, 1827423157812,4504531840875,13199126952109] |