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| n | a(n) |
|---|---|
| 1 | 26 |
| 2 | 280 |
| 3 | 1184 |
| 4 | 3396 |
| 5 | 7778 |
| 6 | 15476 |
| 7 | 27806 |
| 8 | 46346 |
| 9 | 72902 |
| 10 | 109528 |
| 11 | 158422 |
| 12 | 222162 |
| 13 | 303412 |
| 14 | 405134 |
| 15 | 530518 |
| 16 | 683014 |
| 17 | 866156 |
| 18 | 1083954 |
| 19 | 1340420 |
| 20 | 1639900 |
| 21 | 1986968 |
| 22 | 2386470 |
| 23 | 2843276 |
| 24 | 3362828 |
| 25 | 3950486 |
| 26 | 4611980 |
| 27 | 5353268 |
| 28 | 6180592 |
| 29 | 7100158 |
| 30 | 8118840 |
[26,280,1184,3396,7778,15476,27806,46346,72902, 109528,158422,222162,303412,405134,530518,683014, 866156,1083954,1340420,1639900,1986968,2386470, 2843276,3362828,3950486,4611980,5353268,6180592, 7100158,8118840] |