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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 8 |
| 5 | 21 |
| 6 | 29 |
| 7 | 73 |
| 8 | 105 |
| 9 | 193 |
| 10 | 288 |
| 11 | 677 |
| 12 | 853 |
| 13 | 1957 |
| 14 | 2961 |
| 15 | 4913 |
| 16 | 6809 |
| 17 | 15145 |
| 18 | 19605 |
| 19 | 43105 |
| 20 | 57889 |
| 21 | 98849 |
| 22 | 151457 |
| 23 | 327505 |
| 24 | 397825 |
| 25 | 784945 |
| 26 | 1201189 |
| 27 | 2009229 |
| 28 | 2772729 |
| 29 | 5901185 |
| 30 | 7364945 |
| 31 | 15609825 |
| 32 | 21206049 |
| 33 | 36440033 |
| 34 | 55602033 |
| 35 | 105010513 |
| 36 | 127336513 |
| 37 | 267374561 |
[0,1,2,5,8,21,29,73,105,193,288,677,853,1957,2961, 4913,6809,15145,19605,43105,57889,98849,151457, 327505,397825,784945,1201189,2009229,2772729, 5901185,7364945,15609825,21206049,36440033, 55602033,105010513,127336513,267374561] |