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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 3 |
| 11 | 3 |
| 12 | 4 |
| 13 | 4 |
| 14 | 5 |
| 15 | 6 |
| 16 | 7 |
| 17 | 8 |
| 18 | 10 |
| 19 | 12 |
| 20 | 14 |
| 21 | 16 |
| 22 | 19 |
| 23 | 22 |
| 24 | 26 |
| 25 | 30 |
| 26 | 35 |
| 27 | 41 |
| 28 | 48 |
| 29 | 56 |
| 30 | 65 |
| 31 | 76 |
| 32 | 89 |
| 33 | 104 |
| 34 | 121 |
| 35 | 141 |
| 36 | 164 |
| 37 | 192 |
| 38 | 223 |
| 39 | 260 |
| 40 | 304 |
| 41 | 354 |
| 42 | 413 |
| 43 | 481 |
| 44 | 561 |
| 45 | 654 |
| 46 | 762 |
| 47 | 888 |
| 48 | 1035 |
| 49 | 1207 |
| 50 | 1407 |
| 51 | 1640 |
| 52 | 1911 |
| 53 | 2228 |
| 54 | 2596 |
| 55 | 3026 |
| 56 | 3527 |
| 57 | 4111 |
| 58 | 4792 |
| 59 | 5585 |
| 60 | 6510 |
| 61 | 7587 |
| 62 | 8843 |
| 63 | 10307 |
| 64 | 12014 |
| 65 | 14002 |
| 66 | 16320 |
| 67 | 19022 |
| 68 | 22170 |
| 69 | 25840 |
| 70 | 30118 |
| 71 | 35103 |
| 72 | 40914 |
| 73 | 47686 |
| 74 | 55580 |
| 75 | 64780 |
| 76 | 75503 |
| 77 | 88001 |
| 78 | 102568 |
| 79 | 119546 |
| 80 | 139334 |
| 81 | 162398 |
[0,1,1,1,1,1,1,2,2,3,3,4,4,5,6,7,8,10,12,14,16,19, 22,26,30,35,41,48,56,65,76,89,104,121,141,164,192, 223,260,304,354,413,481,561,654,762,888,1035,1207, 1407,1640,1911,2228,2596,3026,3527,4111,4792,5585, 6510,7587,8843,10307,12014,14002,16320,19022, 22170,25840,30118,35103,40914,47686,55580,64780, 75503,88001,102568,119546,139334,162398] |