| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 3 |
| 10 | 4 |
| 11 | 5 |
| 12 | 7 |
| 13 | 8 |
| 14 | 10 |
| 15 | 13 |
| 16 | 15 |
| 17 | 19 |
| 18 | 24 |
| 19 | 30 |
| 20 | 37 |
| 21 | 49 |
| 22 | 60 |
| 23 | 78 |
| 24 | 98 |
| 25 | 125 |
| 26 | 155 |
| 27 | 199 |
| 28 | 243 |
| 29 | 306 |
| 30 | 376 |
| 31 | 466 |
| 32 | 566 |
| 33 | 700 |
| 34 | 844 |
| 35 | 1033 |
| 36 | 1246 |
| 37 | 1513 |
| 38 | 1817 |
| 39 | 2203 |
| 40 | 2636 |
| 41 | 3180 |
| 42 | 3808 |
| 43 | 4575 |
| 44 | 5464 |
| 45 | 6557 |
| 46 | 7815 |
| 47 | 9347 |
| 48 | 11132 |
| 49 | 13274 |
| 50 | 15774 |
| 51 | 18773 |
| 52 | 22255 |
| 53 | 26409 |
| 54 | 31257 |
| 55 | 36986 |
| 56 | 43667 |
| 57 | 51557 |
[0,0,0,0,0,0,1,1,2,3,4,5,7,8,10,13,15,19,24,30,37, 49,60,78,98,125,155,199,243,306,376,466,566,700, 844,1033,1246,1513,1817,2203,2636,3180,3808,4575, 5464,6557,7815,9347,11132,13274,15774,18773,22255, 26409,31257,36986,43667,51557] |