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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 12 |
| 4 | 20 |
| 5 | 33 |
| 6 | 60 |
| 7 | 93 |
| 8 | 144 |
| 9 | 222 |
| 10 | 340 |
| 11 | 498 |
| 12 | 729 |
| 13 | 1050 |
| 14 | 1486 |
| 15 | 2115 |
| 16 | 2946 |
| 17 | 4068 |
| 18 | 5592 |
| 19 | 7608 |
| 20 | 10278 |
| 21 | 13854 |
| 22 | 18483 |
| 23 | 24528 |
| 24 | 32426 |
| 25 | 42594 |
| 26 | 55677 |
| 27 | 72498 |
| 28 | 94008 |
| 29 | 121290 |
| 30 | 156002 |
| 31 | 199842 |
| 32 | 255012 |
| 33 | 324438 |
| 34 | 411318 |
| 35 | 519771 |
| 36 | 655128 |
| 37 | 823056 |
| 38 | 1031148 |
| 39 | 1288590 |
| 40 | 1605945 |
[1,3,5,12,20,33,60,93,144,222,340,498,729,1050, 1486,2115,2946,4068,5592,7608,10278,13854,18483, 24528,32426,42594,55677,72498,94008,121290,156002, 199842,255012,324438,411318,519771,655128,823056, 1031148,1288590,1605945] |