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| n | a(n) |
|---|---|
| 0 | 9 |
| 1 | 17 |
| 2 | 32 |
| 3 | 60 |
| 4 | 113 |
| 5 | 213 |
| 6 | 401 |
| 7 | 755 |
| 8 | 1422 |
| 9 | 2678 |
| 10 | 5043 |
| 11 | 9497 |
| 12 | 17885 |
| 13 | 33682 |
| 14 | 63432 |
| 15 | 119459 |
| 16 | 224972 |
| 17 | 423680 |
| 18 | 797898 |
| 19 | 1502646 |
| 20 | 2829867 |
| 21 | 5329364 |
| 22 | 10036557 |
| 23 | 18901407 |
| 24 | 35596190 |
| 25 | 67036742 |
| 26 | 126247353 |
| 27 | 237756097 |
| 28 | 447755619 |
| 29 | 843238499 |
| 30 | 1588034044 |
| 31 | 2990674795 |
| 32 | 5632206541 |
[9,17,32,60,113,213,401,755,1422,2678,5043,9497, 17885,33682,63432,119459,224972,423680,797898, 1502646,2829867,5329364,10036557,18901407, 35596190,67036742,126247353,237756097,447755619, 843238499,1588034044,2990674795,5632206541] |