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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 51 |
| 3 | 253 |
| 4 | 874 |
| 5 | 2354 |
| 6 | 5404 |
| 7 | 11010 |
| 8 | 20553 |
| 9 | 35781 |
| 10 | 58971 |
| 11 | 92851 |
| 12 | 140818 |
| 13 | 206798 |
| 14 | 295528 |
| 15 | 412352 |
| 16 | 563577 |
| 17 | 756175 |
| 18 | 998245 |
| 19 | 1298615 |
| 20 | 1667392 |
| 21 | 2115476 |
| 22 | 2655216 |
| 23 | 3299792 |
| 24 | 4064019 |
| 25 | 4963585 |
| 26 | 6015983 |
| 27 | 7239629 |
| 28 | 8654930 |
| 29 | 10283232 |
| 30 | 12148080 |
[5,51,253,874,2354,5404,11010,20553,35781,58971, 92851,140818,206798,295528,412352,563577,756175, 998245,1298615,1667392,2115476,2655216,3299792, 4064019,4963585,6015983,7239629,8654930,10283232, 12148080] |