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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 5 |
| 13 | 5 |
| 14 | 6 |
| 15 | 6 |
| 16 | 8 |
| 17 | 9 |
| 18 | 10 |
| 19 | 12 |
| 20 | 14 |
| 21 | 15 |
| 22 | 17 |
| 23 | 20 |
| 24 | 21 |
| 25 | 23 |
| 26 | 26 |
| 27 | 30 |
| 28 | 32 |
| 29 | 37 |
| 30 | 42 |
| 31 | 44 |
| 32 | 50 |
| 33 | 56 |
| 34 | 60 |
| 35 | 66 |
| 36 | 74 |
| 37 | 80 |
| 38 | 88 |
| 39 | 98 |
| 40 | 109 |
| 41 | 119 |
| 42 | 130 |
| 43 | 144 |
| 44 | 154 |
| 45 | 167 |
| 46 | 184 |
| 47 | 200 |
| 48 | 218 |
| 49 | 241 |
| 50 | 262 |
| 51 | 284 |
| 52 | 308 |
| 53 | 334 |
| 54 | 362 |
| 55 | 390 |
| 56 | 426 |
| 57 | 462 |
| 58 | 498 |
| 59 | 542 |
| 60 | 589 |
| 61 | 633 |
| 62 | 685 |
| 63 | 742 |
| 64 | 796 |
| 65 | 858 |
[1,1,1,2,1,1,2,2,2,4,4,4,5,5,6,6,8,9,10,12,14,15, 17,20,21,23,26,30,32,37,42,44,50,56,60,66,74,80, 88,98,109,119,130,144,154,167,184,200,218,241,262, 284,308,334,362,390,426,462,498,542,589,633,685, 742,796,858] |