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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 553 |
| 3 | 1764 |
| 4 | 4753 |
| 5 | 9726 |
| 6 | 18505 |
| 7 | 31176 |
| 8 | 50401 |
| 9 | 76050 |
| 10 | 111721 |
| 11 | 156972 |
| 12 | 216433 |
| 13 | 289254 |
| 14 | 381193 |
| 15 | 490896 |
| 16 | 625345 |
| 17 | 782586 |
| 18 | 970921 |
| 19 | 1187700 |
| 20 | 1442641 |
| 21 | 1732302 |
| 22 | 2067913 |
| 23 | 2445144 |
| 24 | 2876833 |
| 25 | 3357666 |
| 26 | 3902185 |
| 27 | 4503996 |
| 28 | 5179441 |
| 29 | 5920950 |
| 30 | 6746761 |
[42,553,1764,4753,9726,18505,31176,50401,76050, 111721,156972,216433,289254,381193,490896,625345, 782586,970921,1187700,1442641,1732302,2067913, 2445144,2876833,3357666,3902185,4503996,5179441, 5920950,6746761] |