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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 3 |
| 8 | 4 |
| 9 | 4 |
| 10 | 4 |
| 11 | 5 |
| 12 | 6 |
| 13 | 7 |
| 14 | 8 |
| 15 | 9 |
| 16 | 10 |
| 17 | 11 |
| 18 | 13 |
| 19 | 14 |
| 20 | 16 |
| 21 | 18 |
| 22 | 20 |
| 23 | 21 |
| 24 | 23 |
| 25 | 26 |
| 26 | 29 |
| 27 | 32 |
| 28 | 35 |
| 29 | 38 |
| 30 | 41 |
| 31 | 45 |
| 32 | 49 |
| 33 | 53 |
| 34 | 59 |
| 35 | 64 |
| 36 | 69 |
| 37 | 73 |
| 38 | 80 |
| 39 | 87 |
| 40 | 94 |
| 41 | 101 |
| 42 | 109 |
| 43 | 117 |
| 44 | 125 |
| 45 | 134 |
| 46 | 145 |
| 47 | 156 |
| 48 | 167 |
| 49 | 178 |
| 50 | 190 |
| 51 | 202 |
| 52 | 217 |
| 53 | 232 |
| 54 | 249 |
| 55 | 265 |
| 56 | 282 |
| 57 | 299 |
| 58 | 318 |
| 59 | 339 |
| 60 | 361 |
| 61 | 384 |
| 62 | 408 |
| 63 | 432 |
| 64 | 457 |
| 65 | 484 |
| 66 | 514 |
| 67 | 545 |
| 68 | 578 |
| 69 | 610 |
| 70 | 646 |
[1,1,1,1,2,2,2,3,4,4,4,5,6,7,8,9,10,11,13,14,16, 18,20,21,23,26,29,32,35,38,41,45,49,53,59,64,69, 73,80,87,94,101,109,117,125,134,145,156,167,178, 190,202,217,232,249,265,282,299,318,339,361,384, 408,432,457,484,514,545,578,610,646] |