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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 5 |
| 2 | 8 |
| 3 | 10 |
| 4 | 14 |
| 5 | 18 |
| 6 | 25 |
| 7 | 32 |
| 8 | 46 |
| 9 | 60 |
| 10 | 87 |
| 11 | 115 |
| 12 | 169 |
| 13 | 224 |
| 14 | 332 |
| 15 | 442 |
| 16 | 658 |
| 17 | 878 |
| 18 | 1310 |
| 19 | 1749 |
| 20 | 2613 |
| 21 | 3491 |
| 22 | 5219 |
| 23 | 6975 |
| 24 | 10431 |
| 25 | 13942 |
| 26 | 20854 |
| 27 | 27876 |
| 28 | 41700 |
| 29 | 55744 |
| 30 | 83392 |
| 31 | 111480 |
| 32 | 166776 |
| 33 | 222952 |
| 34 | 333544 |
| 35 | 445896 |
| 36 | 667080 |
| 37 | 891784 |
| 38 | 1334151 |
| 39 | 1783559 |
| 40 | 2668293 |
| 41 | 3567109 |
[4,5,8,10,14,18,25,32,46,60,87,115,169,224,332, 442,658,878,1310,1749,2613,3491,5219,6975,10431, 13942,20854,27876,41700,55744,83392,111480,166776, 222952,333544,445896,667080,891784,1334151, 1783559,2668293,3567109] |