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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 260 |
| 3 | 1770 |
| 4 | 3914 |
| 5 | 10074 |
| 6 | 11390 |
| 7 | 12734 |
| 8 | 14454 |
| 9 | 17024 |
| 10 | 20580 |
| 11 | 21834 |
| 12 | 21854 |
| 13 | 25404 |
| 14 | 29784 |
| 15 | 30470 |
| 16 | 31800 |
| 17 | 33230 |
| 18 | 37694 |
| 19 | 39530 |
| 20 | 41490 |
| 21 | 45164 |
| 22 | 49134 |
| 23 | 54594 |
| 24 | 57834 |
| 25 | 60894 |
| 26 | 66480 |
| 27 | 68174 |
| 28 | 68550 |
| 29 | 71994 |
| 30 | 72024 |
| 31 | 72500 |
| 32 | 78834 |
| 33 | 80760 |
| 34 | 82760 |
| 35 | 84720 |
[0,260,1770,3914,10074,11390,12734,14454,17024, 20580,21834,21854,25404,29784,30470,31800,33230, 37694,39530,41490,45164,49134,54594,57834,60894, 66480,68174,68550,71994,72024,72500,78834,80760, 82760,84720] |