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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 10 |
| 5 | 16 |
| 6 | 25 |
| 7 | 38 |
| 8 | 58 |
| 9 | 84 |
| 10 | 122 |
| 11 | 174 |
| 12 | 244 |
| 13 | 338 |
| 14 | 465 |
| 15 | 630 |
| 16 | 850 |
| 17 | 1136 |
| 18 | 1508 |
| 19 | 1988 |
| 20 | 2608 |
| 21 | 3398 |
| 22 | 4408 |
| 23 | 5688 |
| 24 | 7306 |
| 25 | 9342 |
| 26 | 11900 |
| 27 | 15090 |
| 28 | 19070 |
| 29 | 24008 |
| 30 | 30122 |
| 31 | 37666 |
| 32 | 46955 |
| 33 | 58348 |
| 34 | 72302 |
| 35 | 89338 |
| 36 | 110094 |
| 37 | 135316 |
| 38 | 165912 |
| 39 | 202924 |
| 40 | 247632 |
| 41 | 301508 |
[1,2,4,6,10,16,25,38,58,84,122,174,244,338,465, 630,850,1136,1508,1988,2608,3398,4408,5688,7306, 9342,11900,15090,19070,24008,30122,37666,46955, 58348,72302,89338,110094,135316,165912,202924, 247632,301508] |