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| n | a(n) |
|---|---|
| 1 | 424 |
| 2 | 1239 |
| 3 | 2870 |
| 4 | 6176 |
| 5 | 12886 |
| 6 | 25360 |
| 7 | 48953 |
| 8 | 92399 |
| 9 | 171271 |
| 10 | 314248 |
| 11 | 570301 |
| 12 | 1027913 |
| 13 | 1841949 |
| 14 | 3285067 |
| 15 | 5839603 |
| 16 | 10350122 |
| 17 | 18305871 |
| 18 | 32322564 |
| 19 | 56992878 |
| 20 | 100391868 |
| 21 | 176690802 |
| 22 | 310778090 |
| 23 | 546351882 |
| 24 | 960110192 |
| 25 | 1686700621 |
| 26 | 2962447909 |
[424,1239,2870,6176,12886,25360,48953,92399, 171271,314248,570301,1027913,1841949,3285067, 5839603,10350122,18305871,32322564,56992878, 100391868,176690802,310778090,546351882,960110192, 1686700621,2962447909] |