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| n | a(n) |
|---|---|
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 3 |
| 10 | 5 |
| 11 | 6 |
| 12 | 11 |
| 13 | 13 |
| 14 | 20 |
| 15 | 24 |
| 16 | 37 |
| 17 | 45 |
| 18 | 64 |
| 19 | 80 |
| 20 | 110 |
| 21 | 137 |
| 22 | 184 |
| 23 | 229 |
| 24 | 303 |
| 25 | 375 |
| 26 | 486 |
| 27 | 602 |
| 28 | 772 |
| 29 | 951 |
| 30 | 1202 |
| 31 | 1478 |
| 32 | 1853 |
| 33 | 2267 |
| 34 | 2817 |
| 35 | 3432 |
| 36 | 4236 |
| 37 | 5142 |
| 38 | 6300 |
| 39 | 7620 |
| 40 | 9284 |
| 41 | 11185 |
| 42 | 13553 |
| 43 | 16273 |
| 44 | 19625 |
| 45 | 23478 |
| 46 | 28187 |
| 47 | 33613 |
| 48 | 40192 |
| 49 | 47778 |
| 50 | 56904 |
| 51 | 67443 |
| 52 | 80051 |
[1,0,1,1,3,3,5,6,11,13,20,24,37,45,64,80,110,137, 184,229,303,375,486,602,772,951,1202,1478,1853, 2267,2817,3432,4236,5142,6300,7620,9284,11185, 13553,16273,19625,23478,28187,33613,40192,47778, 56904,67443,80051] |