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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 4 |
| 8 | 7 |
| 9 | 9 |
| 10 | 13 |
| 11 | 14 |
| 12 | 22 |
| 13 | 26 |
| 14 | 36 |
| 15 | 40 |
| 16 | 54 |
| 17 | 66 |
| 18 | 85 |
| 19 | 99 |
| 20 | 127 |
| 21 | 148 |
| 22 | 187 |
| 23 | 221 |
| 24 | 277 |
| 25 | 323 |
| 26 | 394 |
| 27 | 464 |
| 28 | 565 |
| 29 | 665 |
| 30 | 805 |
| 31 | 939 |
| 32 | 1126 |
| 33 | 1320 |
| 34 | 1573 |
| 35 | 1832 |
| 36 | 2183 |
| 37 | 2541 |
| 38 | 3004 |
| 39 | 3504 |
| 40 | 4111 |
| 41 | 4769 |
| 42 | 5614 |
| 43 | 6498 |
| 44 | 7599 |
| 45 | 8803 |
| 46 | 10256 |
| 47 | 11853 |
| 48 | 13783 |
| 49 | 15895 |
| 50 | 18429 |
| 51 | 21250 |
[0,0,0,1,1,2,4,4,7,9,13,14,22,26,36,40,54,66,85, 99,127,148,187,221,277,323,394,464,565,665,805, 939,1126,1320,1573,1832,2183,2541,3004,3504,4111, 4769,5614,6498,7599,8803,10256,11853,13783,15895, 18429,21250] |