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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 3 |
| 5 | 13 |
| 6 | 16 |
| 7 | 41 |
| 8 | 64 |
| 9 | 154 |
| 10 | 261 |
| 11 | 560 |
| 12 | 1049 |
| 13 | 2176 |
| 14 | 4169 |
| 15 | 8474 |
| 16 | 16614 |
| 17 | 33477 |
| 18 | 66178 |
| 19 | 132776 |
| 20 | 263969 |
| 21 | 528519 |
| 22 | 1053483 |
| 23 | 2107772 |
| 24 | 4207680 |
| 25 | 8415341 |
| 26 | 16812773 |
| 27 | 33622527 |
| 28 | 67203682 |
| 29 | 134391649 |
| 30 | 268686218 |
| 31 | 537318189 |
| 32 | 1074403625 |
| 33 | 2148636672 |
| 34 | 4296709932 |
| 35 | 8592918851 |
[1,1,4,3,13,16,41,64,154,261,560,1049,2176,4169, 8474,16614,33477,66178,132776,263969,528519, 1053483,2107772,4207680,8415341,16812773,33622527, 67203682,134391649,268686218,537318189,1074403625, 2148636672,4296709932,8592918851] |