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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 5 |
| 4 | 18 |
| 5 | 56 |
| 6 | 80 |
| 7 | 192 |
| 8 | 306 |
| 9 | 566 |
| 10 | 731 |
| 11 | 1273 |
| 12 | 1433 |
| 13 | 2123 |
| 14 | 3023 |
| 15 | 3762 |
| 16 | 5128 |
| 17 | 6604 |
| 18 | 7038 |
| 19 | 9694 |
| 20 | 11735 |
| 21 | 13942 |
| 22 | 16695 |
| 23 | 21015 |
| 24 | 22027 |
| 25 | 28292 |
| 26 | 31972 |
| 27 | 37830 |
| 28 | 41516 |
| 29 | 50405 |
| 30 | 51983 |
| 31 | 64936 |
| 32 | 70032 |
| 33 | 80537 |
| 34 | 90331 |
| 35 | 100611 |
| 36 | 108869 |
| 37 | 130965 |
| 38 | 134475 |
| 39 | 149660 |
| 40 | 165879 |
| 41 | 191969 |
| 42 | 196185 |
| 43 | 223782 |
[0,0,5,18,56,80,192,306,566,731,1273,1433,2123, 3023,3762,5128,6604,7038,9694,11735,13942,16695, 21015,22027,28292,31972,37830,41516,50405,51983, 64936,70032,80537,90331,100611,108869,130965, 134475,149660,165879,191969,196185,223782] |