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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 18 |
| 6 | 24 |
| 7 | 34 |
| 8 | 47 |
| 9 | 73 |
| 10 | 111 |
| 11 | 177 |
| 12 | 267 |
| 13 | 409 |
| 14 | 600 |
| 15 | 900 |
| 16 | 1324 |
| 17 | 2004 |
| 18 | 2996 |
| 19 | 4564 |
| 20 | 6848 |
| 21 | 10377 |
| 22 | 15513 |
| 23 | 23385 |
| 24 | 34953 |
| 25 | 52685 |
| 26 | 78969 |
| 27 | 119138 |
| 28 | 178840 |
| 29 | 269604 |
| 30 | 404656 |
| 31 | 609310 |
| 32 | 914548 |
| 33 | 1376530 |
| 34 | 2067231 |
| 35 | 3111457 |
| 36 | 4674751 |
| 37 | 7034897 |
| 38 | 10570855 |
| 39 | 15903377 |
| 40 | 23898528 |
[1,2,4,8,12,18,24,34,47,73,111,177,267,409,600, 900,1324,2004,2996,4564,6848,10377,15513,23385, 34953,52685,78969,119138,178840,269604,404656, 609310,914548,1376530,2067231,3111457,4674751, 7034897,10570855,15903377,23898528] |