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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 2 |
| 7 | 4 |
| 8 | 4 |
| 9 | 4 |
| 10 | 6 |
| 11 | 9 |
| 12 | 7 |
| 13 | 13 |
| 14 | 12 |
| 15 | 13 |
| 16 | 16 |
| 17 | 22 |
| 18 | 17 |
| 19 | 28 |
| 20 | 28 |
| 21 | 31 |
| 22 | 36 |
| 23 | 50 |
| 24 | 45 |
| 25 | 63 |
| 26 | 62 |
| 27 | 74 |
| 28 | 78 |
| 29 | 102 |
| 30 | 92 |
| 31 | 123 |
| 32 | 123 |
| 33 | 146 |
| 34 | 148 |
| 35 | 191 |
| 36 | 181 |
| 37 | 228 |
| 38 | 233 |
| 39 | 280 |
| 40 | 283 |
| 41 | 348 |
| 42 | 350 |
| 43 | 420 |
| 44 | 437 |
| 45 | 518 |
| 46 | 523 |
| 47 | 616 |
| 48 | 641 |
| 49 | 727 |
| 50 | 774 |
| 51 | 884 |
| 52 | 911 |
| 53 | 1038 |
| 54 | 1102 |
| 55 | 1240 |
| 56 | 1292 |
| 57 | 1463 |
| 58 | 1530 |
| 59 | 1715 |
| 60 | 1861 |
| 61 | 2002 |
[1,1,1,2,3,2,4,4,4,6,9,7,13,12,13,16,22,17,28,28, 31,36,50,45,63,62,74,78,102,92,123,123,146,148, 191,181,228,233,280,283,348,350,420,437,518,523, 616,641,727,774,884,911,1038,1102,1240,1292,1463, 1530,1715,1861,2002] |