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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 7 |
| 7 | 8 |
| 8 | 10 |
| 9 | 16 |
| 10 | 17 |
| 11 | 35 |
| 12 | 53 |
| 13 | 121 |
| 14 | 155 |
| 15 | 178 |
| 16 | 487 |
| 17 | 880 |
| 18 | 1153 |
| 19 | 2136 |
| 20 | 2790 |
| 21 | 2803 |
| 22 | 5775 |
| 23 | 5845 |
| 24 | 5971 |
| 25 | 7131 |
| 26 | 13213 |
| 27 | 13813 |
| 28 | 17153 |
| 29 | 31461 |
| 30 | 38735 |
| 31 | 93577 |
| 32 | 188457 |
[0,1,2,3,6,7,8,10,16,17,35,53,121,155,178,487,880, 1153,2136,2790,2803,5775,5845,5971,7131,13213, 13813,17153,31461,38735,93577,188457] |