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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 9 |
| 6 | 19 |
| 7 | 39 |
| 8 | 82 |
| 9 | 171 |
| 10 | 368 |
| 11 | 773 |
| 12 | 1678 |
| 13 | 3559 |
| 14 | 7776 |
| 15 | 16601 |
| 16 | 36470 |
| 17 | 78295 |
| 18 | 172720 |
| 19 | 372440 |
| 20 | 824512 |
| 21 | 1784463 |
| 22 | 3961869 |
| 23 | 8601227 |
| 24 | 19143685 |
| 25 | 41671452 |
| 26 | 92944943 |
| 27 | 202787164 |
| 28 | 453138925 |
| 29 | 990656774 |
| 30 | 2217280465 |
| 31 | 4856097782 |
| 32 | 10884558781 |
| 33 | 23876327783 |
| 34 | 53585821550 |
| 35 | 117713147451 |
[1,1,2,5,9,19,39,82,171,368,773,1678,3559,7776, 16601,36470,78295,172720,372440,824512,1784463, 3961869,8601227,19143685,41671452,92944943, 202787164,453138925,990656774,2217280465, 4856097782,10884558781,23876327783,53585821550, 117713147451] |