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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 4 |
| 1 | 3 |
| 2 | 16 |
| 3 | 20 |
| 4 | 48 |
| 5 | 55 |
| 6 | 108 |
| 7 | 141 |
| 8 | 248 |
| 9 | 326 |
| 10 | 516 |
| 11 | 662 |
| 12 | 1048 |
| 13 | 1335 |
| 14 | 2000 |
| 15 | 2547 |
| 16 | 3672 |
| 17 | 4689 |
| 18 | 6588 |
| 19 | 8379 |
| 20 | 11500 |
| 21 | 14513 |
| 22 | 19644 |
| 23 | 24688 |
| 24 | 32896 |
| 25 | 41115 |
| 26 | 53964 |
| 27 | 67301 |
| 28 | 87312 |
| 29 | 108385 |
| 30 | 139124 |
| 31 | 171876 |
| 32 | 218852 |
| 33 | 269284 |
| 34 | 339996 |
| 35 | 416665 |
| 36 | 522104 |
| 37 | 637698 |
| 38 | 793704 |
| 39 | 965989 |
| 40 | 1194888 |
| 41 | 1448933 |
| 42 | 1782800 |
[1,4,3,16,20,48,55,108,141,248,326,516,662,1048, 1335,2000,2547,3672,4689,6588,8379,11500,14513, 19644,24688,32896,41115,53964,67301,87312,108385, 139124,171876,218852,269284,339996,416665,522104, 637698,793704,965989,1194888,1448933,1782800] |