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A172481 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 25 |
| 5 | 55 |
| 6 | 121 |
| 7 | 263 |
| 8 | 569 |
| 9 | 1223 |
| 10 | 2617 |
| 11 | 5575 |
| 12 | 11833 |
| 13 | 25031 |
| 14 | 52793 |
| 15 | 111047 |
| 16 | 233017 |
| 17 | 487879 |
| 18 | 1019449 |
| 19 | 2126279 |
| 20 | 4427321 |
| 21 | 9204167 |
| 22 | 19107385 |
| 23 | 39612871 |
| 24 | 82021945 |
| 25 | 169636295 |
| 26 | 350457401 |
| 27 | 723284423 |
| 28 | 1491308089 |
| 29 | 3072094663 |
| 30 | 6323146297 |
| 31 | 13004206535 |
| 32 | 26724240953 |
[1,2,5,11,25,55,121,263,569,1223,2617,5575,11833, 25031,52793,111047,233017,487879,1019449,2126279, 4427321,9204167,19107385,39612871,82021945, 169636295,350457401,723284423,1491308089, 3072094663,6323146297,13004206535,26724240953] |