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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 9 |
| 7 | 15 |
| 8 | 18 |
| 9 | 21 |
| 10 | 24 |
| 11 | 33 |
| 12 | 37 |
| 13 | 48 |
| 14 | 53 |
| 15 | 66 |
| 16 | 72 |
| 17 | 78 |
| 18 | 84 |
| 19 | 90 |
| 20 | 96 |
| 21 | 113 |
| 22 | 120 |
| 23 | 139 |
| 24 | 147 |
| 25 | 155 |
| 26 | 163 |
| 27 | 185 |
| 28 | 194 |
| 29 | 218 |
| 30 | 228 |
| 31 | 254 |
| 32 | 265 |
| 33 | 276 |
| 34 | 287 |
| 35 | 316 |
| 36 | 328 |
| 37 | 340 |
| 38 | 352 |
| 39 | 384 |
| 40 | 397 |
| 41 | 410 |
| 42 | 423 |
| 43 | 458 |
| 44 | 472 |
| 45 | 509 |
| 46 | 524 |
| 47 | 563 |
| 48 | 579 |
| 49 | 595 |
| 50 | 611 |
| 51 | 627 |
| 52 | 643 |
| 53 | 686 |
| 54 | 703 |
| 55 | 720 |
| 56 | 737 |
| 57 | 754 |
[0,0,2,3,7,9,15,18,21,24,33,37,48,53,66,72,78,84, 90,96,113,120,139,147,155,163,185,194,218,228,254, 265,276,287,316,328,340,352,384,397,410,423,458, 472,509,524,563,579,595,611,627,643,686,703,720, 737,754] |