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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 32 |
| 4 | 121 |
| 5 | 356 |
| 6 | 881 |
| 7 | 1925 |
| 8 | 3830 |
| 9 | 7083 |
| 10 | 12352 |
| 11 | 20526 |
| 12 | 32759 |
| 13 | 50518 |
| 14 | 75635 |
| 15 | 110363 |
| 16 | 157436 |
| 17 | 220133 |
| 18 | 302346 |
| 19 | 408652 |
| 20 | 544389 |
| 21 | 715736 |
| 22 | 929797 |
| 23 | 1194689 |
| 24 | 1519634 |
| 25 | 1915055 |
| 26 | 2392676 |
| 27 | 2965626 |
| 28 | 3648547 |
| 29 | 4457706 |
| 30 | 5411111 |
| 31 | 6528631 |
| 32 | 7832120 |
| 33 | 9345545 |
[1,6,32,121,356,881,1925,3830,7083,12352,20526, 32759,50518,75635,110363,157436,220133,302346, 408652,544389,715736,929797,1194689,1519634, 1915055,2392676,2965626,3648547,4457706,5411111, 6528631,7832120,9345545] |