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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 4 |
| 9 | 7 |
| 10 | 7 |
| 11 | 10 |
| 12 | 13 |
| 13 | 17 |
| 14 | 20 |
| 15 | 28 |
| 16 | 32 |
| 17 | 43 |
| 18 | 52 |
| 19 | 66 |
| 20 | 80 |
| 21 | 102 |
| 22 | 121 |
| 23 | 153 |
| 24 | 184 |
| 25 | 226 |
| 26 | 273 |
| 27 | 336 |
| 28 | 400 |
| 29 | 487 |
| 30 | 586 |
| 31 | 704 |
| 32 | 841 |
| 33 | 1011 |
| 34 | 1203 |
| 35 | 1436 |
| 36 | 1707 |
| 37 | 2025 |
| 38 | 2401 |
| 39 | 2842 |
| 40 | 3353 |
| 41 | 3954 |
| 42 | 4661 |
| 43 | 5470 |
| 44 | 6427 |
| 45 | 7531 |
| 46 | 8816 |
| 47 | 10299 |
| 48 | 12035 |
| 49 | 14015 |
| 50 | 16333 |
| 51 | 18985 |
| 52 | 22062 |
| 53 | 25582 |
[1,0,1,1,1,2,3,3,4,7,7,10,13,17,20,28,32,43,52,66, 80,102,121,153,184,226,273,336,400,487,586,704, 841,1011,1203,1436,1707,2025,2401,2842,3353,3954, 4661,5470,6427,7531,8816,10299,12035,14015,16333, 18985,22062,25582] |