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| n | a(n) |
|---|---|
| 1 | 206 |
| 2 | 477 |
| 3 | 1136 |
| 4 | 2768 |
| 5 | 6878 |
| 6 | 17125 |
| 7 | 42372 |
| 8 | 104772 |
| 9 | 258690 |
| 10 | 639184 |
| 11 | 1578958 |
| 12 | 3902316 |
| 13 | 9640990 |
| 14 | 23821537 |
| 15 | 58852874 |
| 16 | 145410924 |
| 17 | 359251828 |
| 18 | 887606592 |
| 19 | 2192956508 |
| 20 | 5418102592 |
| 21 | 13386231028 |
| 22 | 33072997411 |
| 23 | 81712020092 |
| 24 | 201883197204 |
[206,477,1136,2768,6878,17125,42372,104772,258690, 639184,1578958,3902316,9640990,23821537,58852874, 145410924,359251828,887606592,2192956508, 5418102592,13386231028,33072997411,81712020092, 201883197204] |