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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 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 4 |
| 8 | 223 |
| 9 | 854 |
| 10 | 4762 |
| 11 | 1444 |
| 12 | 2324506 |
| 13 | 35548 |
| 14 | 140343676 |
| 15 | 21047728264 |
| 16 | 88824427 |
| 17 | 160465442 |
| 18 | 96633020222386 |
| 19 | 18457536052 |
| 20 | 1397584483920886 |
| 21 | 885721299987868 |
| 22 | 2758893844640044 |
| 23 | 3793843972393624 |
| 24 | 56271391915038457502 |
| 25 | 480348904858674456484 |
| 26 | 85734822774933179463764 |
| 27 | 2140418040120050844508958552 |
[1,1,2,1,2,2,4,223,854,4762,1444,2324506,35548, 140343676,21047728264,88824427,160465442, 96633020222386,18457536052,1397584483920886, 885721299987868,2758893844640044,3793843972393624, 56271391915038457502,480348904858674456484, 85734822774933179463764, 2140418040120050844508958552] |