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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 4 |
| 2 | 7 |
| 3 | 9 |
| 4 | 13 |
| 5 | 17 |
| 6 | 24 |
| 7 | 31 |
| 8 | 45 |
| 9 | 59 |
| 10 | 86 |
| 11 | 114 |
| 12 | 168 |
| 13 | 223 |
| 14 | 331 |
| 15 | 441 |
| 16 | 657 |
| 17 | 877 |
| 18 | 1309 |
| 19 | 1748 |
| 20 | 2612 |
| 21 | 3490 |
| 22 | 5218 |
| 23 | 6974 |
| 24 | 10430 |
| 25 | 13941 |
| 26 | 20853 |
| 27 | 27875 |
| 28 | 41699 |
| 29 | 55743 |
| 30 | 83391 |
| 31 | 111479 |
| 32 | 166775 |
| 33 | 222951 |
| 34 | 333543 |
| 35 | 445895 |
| 36 | 667079 |
| 37 | 891783 |
| 38 | 1334150 |
| 39 | 1783558 |
| 40 | 2668292 |
| 41 | 3567108 |
[3,4,7,9,13,17,24,31,45,59,86,114,168,223,331,441, 657,877,1309,1748,2612,3490,5218,6974,10430,13941, 20853,27875,41699,55743,83391,111479,166775, 222951,333543,445895,667079,891783,1334150, 1783558,2668292,3567108] |