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| n | a(n) |
|---|---|
| 1 | 128 |
| 2 | 987 |
| 3 | 3280 |
| 4 | 7753 |
| 5 | 15504 |
| 6 | 28101 |
| 7 | 47652 |
| 8 | 76912 |
| 9 | 119416 |
| 10 | 179630 |
| 11 | 263120 |
| 12 | 376740 |
| 13 | 528840 |
| 14 | 729495 |
| 15 | 990756 |
| 16 | 1326924 |
| 17 | 1754848 |
| 18 | 2294248 |
| 19 | 2968064 |
| 20 | 3802832 |
| 21 | 4829088 |
| 22 | 6081801 |
| 23 | 7600836 |
| 24 | 9431448 |
| 25 | 11624808 |
| 26 | 14238562 |
| 27 | 17337424 |
| 28 | 20993804 |
| 29 | 25288472 |
[128,987,3280,7753,15504,28101,47652,76912,119416, 179630,263120,376740,528840,729495,990756,1326924, 1754848,2294248,2968064,3802832,4829088,6081801, 7600836,9431448,11624808,14238562,17337424, 20993804,25288472] |