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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 | 11 |
| 3 | 38 |
| 4 | 136 |
| 5 | 488 |
| 6 | 1744 |
| 7 | 6208 |
| 8 | 22202 |
| 9 | 79292 |
| 10 | 282984 |
| 11 | 1010760 |
| 12 | 3609442 |
| 13 | 12887556 |
| 14 | 46021868 |
| 15 | 164340008 |
| 16 | 586827146 |
| 17 | 2095503116 |
| 18 | 7482801488 |
| 19 | 26720080488 |
| 20 | 95414259450 |
| 21 | 340712829860 |
| 22 | 1216643200052 |
| 23 | 4344485254120 |
| 24 | 15513628195858 |
[2,11,38,136,488,1744,6208,22202,79292,282984, 1010760,3609442,12887556,46021868,164340008, 586827146,2095503116,7482801488,26720080488, 95414259450,340712829860,1216643200052, 4344485254120,15513628195858] |