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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 12 |
| 7 | 15 |
| 8 | 19 |
| 9 | 26 |
| 10 | 35 |
| 11 | 49 |
| 12 | 66 |
| 13 | 84 |
| 14 | 114 |
| 15 | 151 |
| 16 | 204 |
| 17 | 272 |
| 18 | 354 |
| 19 | 470 |
| 20 | 619 |
| 21 | 820 |
| 22 | 1109 |
| 23 | 1499 |
| 24 | 2009 |
| 25 | 2710 |
| 26 | 3631 |
| 27 | 4872 |
| 28 | 6554 |
| 29 | 8831 |
| 30 | 11821 |
| 31 | 15875 |
| 32 | 21364 |
| 33 | 28611 |
| 34 | 38389 |
| 35 | 51611 |
| 36 | 69295 |
| 37 | 93144 |
| 38 | 125290 |
| 39 | 168220 |
| 40 | 226048 |
| 41 | 303727 |
| 42 | 408170 |
| 43 | 548513 |
| 44 | 736900 |
| 45 | 990222 |
| 46 | 1330212 |
| 47 | 1787067 |
| 48 | 2401254 |
| 49 | 3226802 |
| 50 | 4335590 |
| 51 | 5825258 |
[1,2,3,5,7,9,12,15,19,26,35,49,66,84,114,151,204, 272,354,470,619,820,1109,1499,2009,2710,3631,4872, 6554,8831,11821,15875,21364,28611,38389,51611, 69295,93144,125290,168220,226048,303727,408170, 548513,736900,990222,1330212,1787067,2401254, 3226802,4335590,5825258] |