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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 11 |
| 5 | 58 |
| 6 | 57 |
| 7 | 262 |
| 8 | 261 |
| 9 | 564 |
| 10 | 666 |
| 11 | 665 |
| 12 | 4775 |
| 13 | 7843 |
| 14 | 7842 |
| 15 | 9807 |
| 16 | 9804 |
| 17 | 15705 |
| 18 | 15704 |
| 19 | 15701 |
| 20 | 15699 |
| 21 | 15698 |
| 22 | 77964 |
| 23 | 77962 |
| 24 | 180330 |
| 25 | 180326 |
| 26 | 185136 |
| 27 | 185135 |
| 28 | 185133 |
| 29 | 185132 |
| 30 | 185130 |
| 31 | 678603 |
| 32 | 678601 |
| 33 | 1005372 |
| 34 | 1005371 |
| 35 | 1005366 |
| 36 | 2326178 |
| 37 | 8525865 |
| 38 | 8525862 |
| 39 | 8525860 |
[0,1,3,11,58,57,262,261,564,666,665,4775,7843, 7842,9807,9804,15705,15704,15701,15699,15698, 77964,77962,180330,180326,185136,185135,185133, 185132,185130,678603,678601,1005372,1005371, 1005366,2326178,8525865,8525862,8525860] |