| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 3 |
| 12 | 5 |
| 13 | 10 |
| 14 | 15 |
| 15 | 30 |
| 16 | 44 |
| 17 | 78 |
| 18 | 119 |
| 19 | 202 |
| 20 | 310 |
| 21 | 513 |
| 22 | 786 |
| 23 | 1277 |
| 24 | 1977 |
| 25 | 3168 |
| 26 | 4916 |
| 27 | 7831 |
| 28 | 12199 |
| 29 | 19332 |
| 30 | 30208 |
| 31 | 47756 |
| 32 | 74808 |
| 33 | 118124 |
| 34 | 185415 |
| 35 | 292673 |
| 36 | 460270 |
| 37 | 726598 |
| 38 | 1144499 |
| 39 | 1807638 |
| 40 | 2851356 |
| 41 | 4506370 |
| 42 | 7117298 |
| 43 | 11256870 |
| 44 | 17799183 |
| 45 | 28173716 |
[0,0,0,0,0,0,0,0,1,1,3,5,10,15,30,44,78,119,202, 310,513,786,1277,1977,3168,4916,7831,12199,19332, 30208,47756,74808,118124,185415,292673,460270, 726598,1144499,1807638,2851356,4506370,7117298, 11256870,17799183,28173716] |