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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 5 |
| 7 | 9 |
| 8 | 10 |
| 9 | 14 |
| 10 | 22 |
| 11 | 28 |
| 12 | 37 |
| 13 | 53 |
| 14 | 66 |
| 15 | 85 |
| 16 | 120 |
| 17 | 147 |
| 18 | 188 |
| 19 | 252 |
| 20 | 308 |
| 21 | 394 |
| 22 | 509 |
| 23 | 621 |
| 24 | 783 |
| 25 | 990 |
| 26 | 1210 |
| 27 | 1500 |
| 28 | 1872 |
| 29 | 2272 |
| 30 | 2793 |
| 31 | 3447 |
| 32 | 4152 |
| 33 | 5064 |
| 34 | 6184 |
| 35 | 7414 |
| 36 | 8984 |
| 37 | 10856 |
| 38 | 12964 |
| 39 | 15592 |
| 40 | 18711 |
| 41 | 22250 |
| 42 | 26576 |
| 43 | 31690 |
| 44 | 37520 |
| 45 | 44565 |
| 46 | 52856 |
| 47 | 62292 |
[0,1,1,1,3,3,5,9,10,14,22,28,37,53,66,85,120,147, 188,252,308,394,509,621,783,990,1210,1500,1872, 2272,2793,3447,4152,5064,6184,7414,8984,10856, 12964,15592,18711,22250,26576,31690,37520,44565, 52856,62292] |