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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 5 |
| 10 | 7 |
| 11 | 9 |
| 12 | 10 |
| 13 | 16 |
| 14 | 18 |
| 15 | 25 |
| 16 | 25 |
| 17 | 35 |
| 18 | 40 |
| 19 | 51 |
| 20 | 54 |
| 21 | 74 |
| 22 | 83 |
| 23 | 105 |
| 24 | 112 |
| 25 | 145 |
| 26 | 156 |
| 27 | 191 |
| 28 | 198 |
| 29 | 246 |
| 30 | 267 |
| 31 | 317 |
| 32 | 331 |
| 33 | 402 |
| 34 | 430 |
| 35 | 502 |
| 36 | 520 |
| 37 | 613 |
| 38 | 652 |
| 39 | 758 |
| 40 | 791 |
| 41 | 925 |
| 42 | 979 |
| 43 | 1118 |
| 44 | 1152 |
| 45 | 1337 |
| 46 | 1406 |
| 47 | 1603 |
| 48 | 1667 |
| 49 | 1905 |
| 50 | 2009 |
| 51 | 2266 |
| 52 | 2343 |
| 53 | 2652 |
| 54 | 2787 |
| 55 | 3134 |
[0,0,0,0,0,1,1,2,2,5,7,9,10,16,18,25,25,35,40,51, 54,74,83,105,112,145,156,191,198,246,267,317,331, 402,430,502,520,613,652,758,791,925,979,1118,1152, 1337,1406,1603,1667,1905,2009,2266,2343,2652,2787, 3134] |