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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 5 |
| 7 | 10 |
| 8 | 16 |
| 9 | 24 |
| 10 | 34 |
| 11 | 47 |
| 12 | 62 |
| 13 | 81 |
| 14 | 104 |
| 15 | 130 |
| 16 | 160 |
| 17 | 194 |
| 18 | 233 |
| 19 | 276 |
| 20 | 325 |
| 21 | 380 |
| 22 | 440 |
| 23 | 506 |
| 24 | 578 |
| 25 | 657 |
| 26 | 742 |
| 27 | 835 |
| 28 | 936 |
| 29 | 1044 |
| 30 | 1160 |
| 31 | 1284 |
| 32 | 1417 |
| 33 | 1558 |
| 34 | 1709 |
| 35 | 1870 |
| 36 | 2040 |
| 37 | 2220 |
| 38 | 2410 |
| 39 | 2611 |
| 40 | 2822 |
| 41 | 3045 |
| 42 | 3280 |
[0,0,0,0,1,2,5,10,16,24,34,47,62,81,104,130,160, 194,233,276,325,380,440,506,578,657,742,835,936, 1044,1160,1284,1417,1558,1709,1870,2040,2220,2410, 2611,2822,3045,3280] |