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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 29 |
| 6 | 153 |
| 7 | 2018 |
| 8 | 10243 |
| 9 | 32747 |
| 10 | 42990 |
| 11 | 75737 |
| 12 | 118727 |
| 13 | 313191 |
| 14 | 8261693 |
| 15 | 16836577 |
| 16 | 25098270 |
| 17 | 41934847 |
| 18 | 67033117 |
| 19 | 243034198 |
| 20 | 1282204107 |
| 21 | 16911687589 |
| 22 | 85840642052 |
| 23 | 274433613745 |
| 24 | 360274255797 |
| 25 | 634707869542 |
| 26 | 994982125339 |
| 27 | 2624672120220 |
| 28 | 69236457251059 |
[1,2,3,5,8,29,153,2018,10243,32747,42990,75737, 118727,313191,8261693,16836577,25098270,41934847, 67033117,243034198,1282204107,16911687589, 85840642052,274433613745,360274255797, 634707869542,994982125339,2624672120220, 69236457251059] |