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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 2 |
| 8 | 2 |
| 9 | 4 |
| 10 | 6 |
| 11 | 10 |
| 12 | 14 |
| 13 | 24 |
| 14 | 38 |
| 15 | 62 |
| 16 | 98 |
| 17 | 156 |
| 18 | 242 |
| 19 | 376 |
| 20 | 580 |
| 21 | 896 |
| 22 | 1380 |
| 23 | 2126 |
| 24 | 3266 |
| 25 | 5008 |
| 26 | 7658 |
| 27 | 11688 |
| 28 | 17804 |
| 29 | 27084 |
| 30 | 41148 |
| 31 | 62448 |
| 32 | 94668 |
| 33 | 143360 |
| 34 | 216864 |
| 35 | 327726 |
| 36 | 494790 |
| 37 | 746368 |
| 38 | 1124950 |
| 39 | 1694286 |
| 40 | 2549942 |
| 41 | 3835120 |
| 42 | 5764274 |
| 43 | 8658442 |
| 44 | 12997998 |
| 45 | 19501468 |
[0,0,0,0,0,0,0,2,2,4,6,10,14,24,38,62,98,156,242, 376,580,896,1380,2126,3266,5008,7658,11688,17804, 27084,41148,62448,94668,143360,216864,327726, 494790,746368,1124950,1694286,2549942,3835120, 5764274,8658442,12997998,19501468] |