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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 13 |
| 3 | 25 |
| 4 | 78 |
| 5 | 237 |
| 6 | 844 |
| 7 | 2551 |
| 8 | 7941 |
| 9 | 25802 |
| 10 | 82080 |
| 11 | 258039 |
| 12 | 822737 |
| 13 | 2628312 |
| 14 | 8359547 |
| 15 | 26575371 |
| 16 | 84674430 |
| 17 | 269778131 |
| 18 | 858987274 |
| 19 | 2735603656 |
| 20 | 8714789361 |
| 21 | 27760710006 |
| 22 | 88426843547 |
| 23 | 281688270586 |
| 24 | 897368531679 |
| 25 | 2858705033226 |
| 26 | 9106890037086 |
[2,13,25,78,237,844,2551,7941,25802,82080,258039, 822737,2628312,8359547,26575371,84674430, 269778131,858987274,2735603656,8714789361, 27760710006,88426843547,281688270586,897368531679, 2858705033226,9106890037086] |