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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 4 |
| 9 | 9 |
| 10 | 15 |
| 11 | 31 |
| 12 | 53 |
| 13 | 105 |
| 14 | 189 |
| 15 | 363 |
| 16 | 672 |
| 17 | 1285 |
| 18 | 2407 |
| 19 | 4599 |
| 20 | 8704 |
| 21 | 16641 |
| 22 | 31713 |
| 23 | 60787 |
| 24 | 116390 |
| 25 | 223696 |
| 26 | 429975 |
| 27 | 828495 |
| 28 | 1597440 |
| 29 | 3085465 |
| 30 | 5964488 |
| 31 | 11545611 |
| 32 | 22368256 |
| 33 | 43383477 |
| 34 | 84212475 |
| 35 | 163617801 |
| 36 | 318140816 |
| 37 | 619094385 |
| 38 | 1205595657 |
| 39 | 2349383715 |
| 40 | 4581280972 |
| 41 | 8939118925 |
| 42 | 17452532040 |
| 43 | 34093383807 |
[0,0,0,1,1,3,4,9,15,31,53,105,189,363,672,1285, 2407,4599,8704,16641,31713,60787,116390,223696, 429975,828495,1597440,3085465,5964488,11545611, 22368256,43383477,84212475,163617801,318140816, 619094385,1205595657,2349383715,4581280972, 8939118925,17452532040,34093383807] |