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A007502 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 9 |
| 5 | 17 |
| 6 | 33 |
| 7 | 61 |
| 8 | 112 |
| 9 | 202 |
| 10 | 361 |
| 11 | 639 |
| 12 | 1123 |
| 13 | 1961 |
| 14 | 3406 |
| 15 | 5888 |
| 16 | 10137 |
| 17 | 17389 |
| 18 | 29733 |
| 19 | 50693 |
| 20 | 86204 |
| 21 | 146246 |
| 22 | 247577 |
| 23 | 418299 |
| 24 | 705479 |
| 25 | 1187857 |
| 26 | 1997018 |
| 27 | 3352636 |
| 28 | 5621097 |
| 29 | 9412937 |
| 30 | 15744681 |
| 31 | 26307469 |
| 32 | 43912648 |
[1,2,4,9,17,33,61,112,202,361,639,1123,1961,3406, 5888,10137,17389,29733,50693,86204,146246,247577, 418299,705479,1187857,1997018,3352636,5621097, 9412937,15744681,26307469,43912648] |