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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 13 |
| 5 | 31 |
| 6 | 66 |
| 7 | 127 |
| 8 | 225 |
| 9 | 373 |
| 10 | 586 |
| 11 | 881 |
| 12 | 1277 |
| 13 | 1795 |
| 14 | 2458 |
| 15 | 3291 |
| 16 | 4321 |
| 17 | 5577 |
| 18 | 7090 |
| 19 | 8893 |
| 20 | 11021 |
| 21 | 13511 |
| 22 | 16402 |
| 23 | 19735 |
| 24 | 23553 |
| 25 | 27901 |
| 26 | 32826 |
| 27 | 38377 |
| 28 | 44605 |
| 29 | 51563 |
| 30 | 59306 |
| 31 | 67891 |
| 32 | 77377 |
| 33 | 87825 |
| 34 | 99298 |
| 35 | 111861 |
| 36 | 125581 |
| 37 | 140527 |
| 38 | 156770 |
| 39 | 174383 |
| 40 | 193441 |
| 41 | 214021 |
[1,1,2,5,13,31,66,127,225,373,586,881,1277,1795, 2458,3291,4321,5577,7090,8893,11021,13511,16402, 19735,23553,27901,32826,38377,44605,51563,59306, 67891,77377,87825,99298,111861,125581,140527, 156770,174383,193441,214021] |