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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 6 |
| 6 | 9 |
| 7 | 19 |
| 8 | 30 |
| 9 | 51 |
| 10 | 101 |
| 11 | 150 |
| 12 | 249 |
| 13 | 499 |
| 14 | 750 |
| 15 | 1251 |
| 16 | 2501 |
| 17 | 3750 |
| 18 | 6249 |
| 19 | 12499 |
| 20 | 18750 |
| 21 | 31251 |
| 22 | 62501 |
| 23 | 93750 |
| 24 | 156249 |
| 25 | 312499 |
| 26 | 468750 |
| 27 | 781251 |
| 28 | 1562501 |
| 29 | 2343750 |
| 30 | 3906249 |
| 31 | 7812499 |
| 32 | 11718750 |
| 33 | 19531251 |
| 34 | 39062501 |
| 35 | 58593750 |
| 36 | 97656249 |
| 37 | 195312499 |
| 38 | 292968750 |
[0,1,2,3,5,6,9,19,30,51,101,150,249,499,750,1251, 2501,3750,6249,12499,18750,31251,62501,93750, 156249,312499,468750,781251,1562501,2343750, 3906249,7812499,11718750,19531251,39062501, 58593750,97656249,195312499,292968750] |