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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 48 |
| 3 | 316 |
| 4 | 1543 |
| 5 | 6271 |
| 6 | 22116 |
| 7 | 69596 |
| 8 | 199504 |
| 9 | 528924 |
| 10 | 1310622 |
| 11 | 3062243 |
| 12 | 6794265 |
| 13 | 14399820 |
| 14 | 29296378 |
| 15 | 57452518 |
| 16 | 108986486 |
| 17 | 200594945 |
| 18 | 359164115 |
| 19 | 627034377 |
| 20 | 1069540186 |
| 21 | 1785635484 |
| 22 | 2922647926 |
| 23 | 4696491195 |
| 24 | 7419012596 |
| 25 | 11534573228 |
[7,48,316,1543,6271,22116,69596,199504,528924, 1310622,3062243,6794265,14399820,29296378, 57452518,108986486,200594945,359164115,627034377, 1069540186,1785635484,2922647926,4696491195, 7419012596,11534573228] |