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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 3 |
| 4 | 3 |
| 5 | 8 |
| 6 | 14 |
| 7 | 14 |
| 8 | 14 |
| 9 | 23 |
| 10 | 33 |
| 11 | 33 |
| 12 | 45 |
| 13 | 45 |
| 14 | 45 |
| 15 | 45 |
| 16 | 45 |
| 17 | 45 |
| 18 | 63 |
| 19 | 63 |
| 20 | 83 |
| 21 | 104 |
| 22 | 104 |
| 23 | 104 |
| 24 | 128 |
| 25 | 153 |
| 26 | 153 |
| 27 | 180 |
| 28 | 180 |
| 29 | 180 |
| 30 | 180 |
| 31 | 180 |
| 32 | 180 |
| 33 | 213 |
| 34 | 213 |
| 35 | 248 |
| 36 | 284 |
| 37 | 284 |
| 38 | 284 |
| 39 | 323 |
| 40 | 363 |
| 41 | 363 |
| 42 | 405 |
| 43 | 405 |
| 44 | 405 |
| 45 | 405 |
| 46 | 405 |
| 47 | 405 |
| 48 | 453 |
| 49 | 453 |
| 50 | 503 |
| 51 | 554 |
| 52 | 554 |
| 53 | 554 |
| 54 | 608 |
| 55 | 663 |
| 56 | 663 |
| 57 | 720 |
| 58 | 720 |
[0,0,3,3,8,14,14,14,23,33,33,45,45,45,45,45,45,63, 63,83,104,104,104,128,153,153,180,180,180,180,180, 180,213,213,248,284,284,284,323,363,363,405,405, 405,405,405,405,453,453,503,554,554,554,608,663, 663,720,720] |