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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 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 10 |
| 6 | 24 |
| 7 | 53 |
| 8 | 132 |
| 9 | 310 |
| 10 | 711 |
| 11 | 1736 |
| 12 | 4053 |
| 13 | 9475 |
| 14 | 22800 |
| 15 | 53294 |
| 16 | 125667 |
| 17 | 299629 |
| 18 | 702555 |
| 19 | 1661861 |
| 20 | 3941889 |
| 21 | 9269716 |
| 22 | 21941640 |
| 23 | 51908768 |
| 24 | 122325141 |
| 25 | 289466629 |
| 26 | 684020046 |
| 27 | 1614034607 |
| 28 | 3817513449 |
| 29 | 9017274205 |
| 30 | 21292938474 |
| 31 | 50340109313 |
| 32 | 118899240972 |
[1,1,2,4,10,24,53,132,310,711,1736,4053,9475, 22800,53294,125667,299629,702555,1661861,3941889, 9269716,21941640,51908768,122325141,289466629, 684020046,1614034607,3817513449,9017274205, 21292938474,50340109313,118899240972] |