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A148013 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 8 |
| 5 | 15 |
| 6 | 49 |
| 7 | 105 |
| 8 | 370 |
| 9 | 849 |
| 10 | 3095 |
| 11 | 7414 |
| 12 | 28588 |
| 13 | 71396 |
| 14 | 281514 |
| 15 | 721183 |
| 16 | 2905532 |
| 17 | 7606055 |
| 18 | 31290641 |
| 19 | 83451040 |
| 20 | 347766974 |
| 21 | 940689178 |
| 22 | 3969426742 |
| 23 | 10871603407 |
| 24 | 46382673907 |
| 25 | 128408010535 |
| 26 | 552374664184 |
| 27 | 1542959571105 |
| 28 | 6691007154080 |
| 29 | 18841696947244 |
| 30 | 82260632828431 |
| 31 | 233277631001465 |
| 32 | 1024405633824630 |
[1,1,2,3,8,15,49,105,370,849,3095,7414,28588, 71396,281514,721183,2905532,7606055,31290641, 83451040,347766974,940689178,3969426742, 10871603407,46382673907,128408010535,552374664184, 1542959571105,6691007154080,18841696947244, 82260632828431,233277631001465,1024405633824630] |