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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 | 4 |
| 4 | 10 |
| 5 | 27 |
| 6 | 79 |
| 7 | 258 |
| 8 | 843 |
| 9 | 2884 |
| 10 | 10206 |
| 11 | 36727 |
| 12 | 135231 |
| 13 | 506297 |
| 14 | 1931767 |
| 15 | 7482415 |
| 16 | 29281327 |
| 17 | 115997541 |
| 18 | 464211257 |
| 19 | 1872876225 |
| 20 | 7615571704 |
| 21 | 31194424964 |
| 22 | 128696451725 |
| 23 | 534298615063 |
| 24 | 2230435879113 |
| 25 | 9361460673715 |
| 26 | 39485798360364 |
| 27 | 167275262629363 |
| 28 | 711528823024754 |
| 29 | 3038494468031414 |
[1,1,2,4,10,27,79,258,843,2884,10206,36727,135231, 506297,1931767,7482415,29281327,115997541, 464211257,1872876225,7615571704,31194424964, 128696451725,534298615063,2230435879113, 9361460673715,39485798360364,167275262629363, 711528823024754,3038494468031414] |