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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 6 |
| 8 | 6 |
| 9 | 12 |
| 10 | 13 |
| 11 | 12 |
| 12 | 23 |
| 13 | 29 |
| 14 | 33 |
| 15 | 50 |
| 16 | 69 |
| 17 | 76 |
| 18 | 108 |
| 19 | 150 |
| 20 | 172 |
| 21 | 226 |
| 22 | 323 |
| 23 | 385 |
| 24 | 518 |
| 25 | 698 |
| 26 | 884 |
| 27 | 1146 |
| 28 | 1539 |
| 29 | 1961 |
| 30 | 2537 |
| 31 | 3378 |
| 32 | 4341 |
| 33 | 5628 |
| 34 | 7455 |
| 35 | 9662 |
| 36 | 12530 |
| 37 | 16453 |
| 38 | 21436 |
| 39 | 27807 |
| 40 | 36306 |
| 41 | 47519 |
| 42 | 61496 |
| 43 | 80491 |
| 44 | 105100 |
| 45 | 136535 |
| 46 | 178254 |
| 47 | 232820 |
| 48 | 302713 |
[0,1,3,2,3,6,6,6,12,13,12,23,29,33,50,69,76,108, 150,172,226,323,385,518,698,884,1146,1539,1961, 2537,3378,4341,5628,7455,9662,12530,16453,21436, 27807,36306,47519,61496,80491,105100,136535, 178254,232820,302713] |