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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 12 |
| 2 | 77 |
| 3 | 353 |
| 4 | 1298 |
| 5 | 4070 |
| 6 | 11298 |
| 7 | 28468 |
| 8 | 66275 |
| 9 | 144430 |
| 10 | 297584 |
| 11 | 584244 |
| 12 | 1099814 |
| 13 | 1995202 |
| 14 | 3502797 |
| 15 | 5972044 |
| 16 | 9917336 |
| 17 | 16081506 |
| 18 | 25518845 |
| 19 | 39702300 |
| 20 | 60660325 |
| 21 | 91149775 |
| 22 | 134872255 |
| 23 | 196742469 |
| 24 | 283218364 |
| 25 | 402704237 |
| 26 | 566039474 |
| 27 | 787087225 |
| 28 | 1083439094 |
| 29 | 1477253844 |
| 30 | 1996250190 |
| 31 | 2674875984 |
| 32 | 3555678491 |
| 33 | 4690903019 |
| 34 | 6144349905 |
| 35 | 7993522778 |
[1,12,77,353,1298,4070,11298,28468,66275,144430, 297584,584244,1099814,1995202,3502797,5972044, 9917336,16081506,25518845,39702300,60660325, 91149775,134872255,196742469,283218364,402704237, 566039474,787087225,1083439094,1477253844, 1996250190,2674875984,3555678491,4690903019, 6144349905,7993522778] |