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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 16 |
| 5 | 26 |
| 6 | 44 |
| 7 | 68 |
| 8 | 108 |
| 9 | 162 |
| 10 | 245 |
| 11 | 356 |
| 12 | 521 |
| 13 | 740 |
| 14 | 1053 |
| 15 | 1468 |
| 16 | 2045 |
| 17 | 2804 |
| 18 | 3836 |
| 19 | 5184 |
| 20 | 6988 |
| 21 | 9326 |
| 22 | 12409 |
| 23 | 16376 |
| 24 | 21546 |
| 25 | 28154 |
| 26 | 36674 |
| 27 | 47492 |
| 28 | 61317 |
| 29 | 78764 |
| 30 | 100880 |
| 31 | 128628 |
| 32 | 163553 |
| 33 | 207134 |
| 34 | 261630 |
| 35 | 329288 |
| 36 | 413395 |
| 37 | 517316 |
| 38 | 645803 |
| 39 | 803844 |
| 40 | 998282 |
[1,2,5,8,16,26,44,68,108,162,245,356,521,740,1053, 1468,2045,2804,3836,5184,6988,9326,12409,16376, 21546,28154,36674,47492,61317,78764,100880,128628, 163553,207134,261630,329288,413395,517316,645803, 803844,998282] |