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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 | 0 |
| 2 | 1228 |
| 3 | 11264 |
| 4 | 73260 |
| 5 | 245760 |
| 6 | 830944 |
| 7 | 1853440 |
| 8 | 4670892 |
| 9 | 8355840 |
| 10 | 17837048 |
| 11 | 27874304 |
| 12 | 53205728 |
| 13 | 75939840 |
| 14 | 134305088 |
| 15 | 179025920 |
| 16 | 299207596 |
| 17 | 379944960 |
| 18 | 605758444 |
| 19 | 740441088 |
| 20 | 1141582264 |
| 21 | 1347747840 |
| 22 | 2022362656 |
| 23 | 2329679872 |
| 24 | 3403939552 |
| 25 | 3842703360 |
| 26 | 5509653560 |
[1,0,1228,11264,73260,245760,830944,1853440, 4670892,8355840,17837048,27874304,53205728, 75939840,134305088,179025920,299207596,379944960, 605758444,740441088,1141582264,1347747840, 2022362656,2329679872,3403939552,3842703360, 5509653560] |