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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 16 |
| 6 | 21 |
| 7 | 29 |
| 8 | 45 |
| 9 | 73 |
| 10 | 117 |
| 11 | 178 |
| 12 | 260 |
| 13 | 376 |
| 14 | 552 |
| 15 | 832 |
| 16 | 1273 |
| 17 | 1945 |
| 18 | 2937 |
| 19 | 4385 |
| 20 | 6521 |
| 21 | 9730 |
| 22 | 14612 |
| 23 | 22040 |
| 24 | 33252 |
| 25 | 50032 |
| 26 | 75053 |
| 27 | 112437 |
| 28 | 168549 |
| 29 | 253065 |
| 30 | 380429 |
| 31 | 572018 |
| 32 | 859572 |
| 33 | 1290664 |
| 34 | 1937152 |
| 35 | 2907744 |
| 36 | 4366321 |
| 37 | 6558769 |
| 38 | 9853041 |
| 39 | 14800001 |
| 40 | 22226225 |
[1,2,4,8,12,16,21,29,45,73,117,178,260,376,552, 832,1273,1945,2937,4385,6521,9730,14612,22040, 33252,50032,75053,112437,168549,253065,380429, 572018,859572,1290664,1937152,2907744,4366321, 6558769,9853041,14800001,22226225] |