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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 7 |
| 7 | 7 |
| 8 | 13 |
| 9 | 17 |
| 10 | 23 |
| 11 | 26 |
| 12 | 40 |
| 13 | 45 |
| 14 | 60 |
| 15 | 64 |
| 16 | 102 |
| 17 | 115 |
| 18 | 148 |
| 19 | 169 |
| 20 | 225 |
| 21 | 261 |
| 22 | 337 |
| 23 | 375 |
| 24 | 470 |
| 25 | 552 |
| 26 | 668 |
| 27 | 780 |
| 28 | 954 |
| 29 | 1078 |
| 30 | 1331 |
| 31 | 1469 |
| 32 | 1811 |
| 33 | 2055 |
| 34 | 2475 |
| 35 | 2776 |
| 36 | 3343 |
| 37 | 3764 |
| 38 | 4447 |
| 39 | 4983 |
| 40 | 5898 |
| 41 | 6622 |
| 42 | 7771 |
| 43 | 8646 |
| 44 | 10192 |
| 45 | 11403 |
| 46 | 13238 |
| 47 | 14680 |
| 48 | 17011 |
| 49 | 19010 |
| 50 | 21877 |
[1,1,2,4,4,7,7,13,17,23,26,40,45,60,64,102,115, 148,169,225,261,337,375,470,552,668,780,954,1078, 1331,1469,1811,2055,2475,2776,3343,3764,4447,4983, 5898,6622,7771,8646,10192,11403,13238,14680,17011, 19010,21877] |