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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 | 2 |
| 3 | 4 |
| 4 | 44 |
| 5 | 132 |
| 6 | 220 |
| 7 | 396 |
| 8 | 660 |
| 9 | 1980 |
| 10 | 3920 |
| 11 | 4400 |
| 12 | 8800 |
| 13 | 11484 |
| 14 | 13200 |
| 15 | 13328 |
| 16 | 22000 |
| 17 | 26400 |
| 18 | 30800 |
| 19 | 39984 |
| 20 | 57420 |
| 21 | 66640 |
| 22 | 74800 |
| 23 | 92400 |
| 24 | 119952 |
| 25 | 149600 |
| 26 | 199920 |
| 27 | 224400 |
| 28 | 269892 |
| 29 | 277200 |
| 30 | 448800 |
| 31 | 523600 |
| 32 | 599760 |
| 33 | 673200 |
| 34 | 771012 |
| 35 | 1063692 |
| 36 | 1345792 |
| 37 | 1346400 |
| 38 | 1570800 |
| 39 | 3478608 |
| 40 | 4037376 |
| 41 | 4712400 |
| 42 | 5664400 |
| 43 | 6344448 |
| 44 | 8038800 |
| 45 | 10574080 |
[1,2,4,44,132,220,396,660,1980,3920,4400,8800, 11484,13200,13328,22000,26400,30800,39984,57420, 66640,74800,92400,119952,149600,199920,224400, 269892,277200,448800,523600,599760,673200,771012, 1063692,1345792,1346400,1570800,3478608,4037376, 4712400,5664400,6344448,8038800,10574080] |