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| n | a(n) |
|---|---|
| 1 | 228826 |
| 2 | 587036 |
| 3 | 1549297 |
| 4 | 4135249 |
| 5 | 11095332 |
| 6 | 29835132 |
| 7 | 80249504 |
| 8 | 215618862 |
| 9 | 578057915 |
| 10 | 1544727475 |
| 11 | 4110474108 |
| 12 | 10880175644 |
| 13 | 28614540955 |
| 14 | 75408015307 |
| 15 | 199314711575 |
| 16 | 528018279894 |
| 17 | 1400996454870 |
| 18 | 3720982545277 |
| 19 | 9888213327269 |
[228826,587036,1549297,4135249,11095332,29835132, 80249504,215618862,578057915,1544727475, 4110474108,10880175644,28614540955,75408015307, 199314711575,528018279894,1400996454870, 3720982545277,9888213327269] |