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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 12 |
| 3 | 28 |
| 4 | 60 |
| 5 | 140 |
| 6 | 300 |
| 7 | 700 |
| 8 | 1500 |
| 9 | 3500 |
| 10 | 7500 |
| 11 | 17500 |
| 12 | 37500 |
| 13 | 87500 |
| 14 | 187500 |
| 15 | 437500 |
| 16 | 937500 |
| 17 | 2187500 |
| 18 | 4687500 |
| 19 | 10937500 |
| 20 | 23437500 |
| 21 | 54687500 |
| 22 | 117187500 |
| 23 | 273437500 |
| 24 | 585937500 |
| 25 | 1367187500 |
| 26 | 2929687500 |
| 27 | 6835937500 |
| 28 | 14648437500 |
| 29 | 34179687500 |
[6,12,28,60,140,300,700,1500,3500,7500,17500, 37500,87500,187500,437500,937500,2187500,4687500, 10937500,23437500,54687500,117187500,273437500, 585937500,1367187500,2929687500,6835937500, 14648437500,34179687500] |