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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 | 2 |
| 2 | 4 |
| 3 | 15 |
| 4 | 4 |
| 5 | 59 |
| 6 | 0 |
| 7 | 239 |
| 8 | 0 |
| 9 | 767 |
| 10 | 1088 |
| 11 | 4095 |
| 12 | 320 |
| 13 | 15039 |
| 14 | 1280 |
| 15 | 64511 |
| 16 | 16640 |
| 17 | 260863 |
| 18 | 82944 |
| 19 | 961535 |
| 20 | 86016 |
| 21 | 2797567 |
| 22 | 5586944 |
| 23 | 11186175 |
| 24 | 22364160 |
| 25 | 44761087 |
| 26 | 89407488 |
| 27 | 178978815 |
| 28 | 357842944 |
| 29 | 716095487 |
| 30 | 1430323200 |
| 31 | 2863661055 |
| 32 | 5725290496 |
| 33 | 11458772991 |
[1,2,4,15,4,59,0,239,0,767,1088,4095,320,15039, 1280,64511,16640,260863,82944,961535,86016, 2797567,5586944,11186175,22364160,44761087, 89407488,178978815,357842944,716095487,1430323200, 2863661055,5725290496,11458772991] |