| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 7 |
| 10 | 7 |
| 11 | 8 |
| 12 | 10 |
| 13 | 13 |
| 14 | 17 |
| 15 | 23 |
| 16 | 25 |
| 17 | 28 |
| 18 | 32 |
| 19 | 38 |
| 20 | 46 |
| 21 | 56 |
| 22 | 60 |
| 23 | 66 |
| 24 | 74 |
| 25 | 84 |
| 26 | 96 |
| 27 | 111 |
| 28 | 119 |
| 29 | 129 |
| 30 | 141 |
| 31 | 156 |
| 32 | 174 |
| 33 | 195 |
| 34 | 207 |
| 35 | 222 |
| 36 | 240 |
| 37 | 261 |
| 38 | 285 |
| 39 | 313 |
| 40 | 331 |
| 41 | 352 |
| 42 | 376 |
| 43 | 404 |
| 44 | 436 |
| 45 | 472 |
| 46 | 496 |
| 47 | 524 |
| 48 | 556 |
| 49 | 592 |
| 50 | 632 |
| 51 | 677 |
| 52 | 709 |
| 53 | 745 |
| 54 | 785 |
| 55 | 830 |
| 56 | 880 |
| 57 | 935 |
| 58 | 975 |
| 59 | 1020 |
| 60 | 1070 |
| 61 | 1125 |
| 62 | 1185 |
| 63 | 1251 |
| 64 | 1301 |
| 65 | 1356 |
| 66 | 1416 |
| 67 | 1482 |
| 68 | 1554 |
| 69 | 1632 |
| 70 | 1692 |
[0,0,0,1,1,1,1,2,4,7,7,8,10,13,17,23,25,28,32,38, 46,56,60,66,74,84,96,111,119,129,141,156,174,195, 207,222,240,261,285,313,331,352,376,404,436,472, 496,524,556,592,632,677,709,745,785,830,880,935, 975,1020,1070,1125,1185,1251,1301,1356,1416,1482, 1554,1632,1692] |