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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 9 |
| 5 | 23 |
| 6 | 50 |
| 7 | 94 |
| 8 | 164 |
| 9 | 269 |
| 10 | 418 |
| 11 | 623 |
| 12 | 899 |
| 13 | 1262 |
| 14 | 1728 |
| 15 | 2317 |
| 16 | 3051 |
| 17 | 3953 |
| 18 | 5049 |
| 19 | 6368 |
| 20 | 7939 |
| 21 | 9796 |
| 22 | 11973 |
| 23 | 14508 |
| 24 | 17441 |
| 25 | 20815 |
| 26 | 24676 |
| 27 | 29071 |
| 28 | 34052 |
| 29 | 39672 |
| 30 | 45988 |
| 31 | 53060 |
| 32 | 60950 |
| 33 | 69723 |
| 34 | 79450 |
| 35 | 90200 |
| 36 | 102050 |
| 37 | 115078 |
| 38 | 129366 |
| 39 | 144998 |
| 40 | 162063 |
[0,0,0,2,9,23,50,94,164,269,418,623,899,1262,1728, 2317,3051,3953,5049,6368,7939,9796,11973,14508, 17441,20815,24676,29071,34052,39672,45988,53060, 60950,69723,79450,90200,102050,115078,129366, 144998,162063] |