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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 13 |
| 5 | 20 |
| 6 | 30 |
| 7 | 46 |
| 8 | 70 |
| 9 | 105 |
| 10 | 158 |
| 11 | 238 |
| 12 | 358 |
| 13 | 539 |
| 14 | 813 |
| 15 | 1225 |
| 16 | 1844 |
| 17 | 2777 |
| 18 | 4183 |
| 19 | 6300 |
| 20 | 9488 |
| 21 | 14291 |
| 22 | 21525 |
| 23 | 32419 |
| 24 | 48827 |
| 25 | 73540 |
| 26 | 110761 |
| 27 | 166821 |
| 28 | 251256 |
| 29 | 378426 |
| 30 | 569960 |
| 31 | 858437 |
| 32 | 1292923 |
| 33 | 1947317 |
| 34 | 2932923 |
| 35 | 4417381 |
| 36 | 6653176 |
| 37 | 10020585 |
| 38 | 15092360 |
| 39 | 22731142 |
| 40 | 34236184 |
| 41 | 51564338 |
| 42 | 77662890 |
| 43 | 116970850 |
| 44 | 176173970 |
| 45 | 265341902 |
[1,3,5,8,13,20,30,46,70,105,158,238,358,539,813, 1225,1844,2777,4183,6300,9488,14291,21525,32419, 48827,73540,110761,166821,251256,378426,569960, 858437,1292923,1947317,2932923,4417381,6653176, 10020585,15092360,22731142,34236184,51564338, 77662890,116970850,176173970,265341902] |