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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 4 |
| 8 | 6 |
| 9 | 8 |
| 10 | 9 |
| 11 | 11 |
| 12 | 13 |
| 13 | 16 |
| 14 | 21 |
| 15 | 25 |
| 16 | 31 |
| 17 | 36 |
| 18 | 43 |
| 19 | 50 |
| 20 | 59 |
| 21 | 69 |
| 22 | 82 |
| 23 | 96 |
| 24 | 113 |
| 25 | 131 |
| 26 | 155 |
| 27 | 179 |
| 28 | 208 |
| 29 | 239 |
| 30 | 276 |
| 31 | 315 |
| 32 | 362 |
| 33 | 414 |
| 34 | 472 |
| 35 | 539 |
| 36 | 614 |
| 37 | 698 |
| 38 | 795 |
| 39 | 902 |
| 40 | 1023 |
| 41 | 1158 |
| 42 | 1311 |
| 43 | 1479 |
| 44 | 1672 |
| 45 | 1881 |
| 46 | 2118 |
| 47 | 2377 |
| 48 | 2671 |
| 49 | 2991 |
| 50 | 3354 |
| 51 | 3748 |
| 52 | 4194 |
| 53 | 4679 |
| 54 | 5223 |
| 55 | 5815 |
[0,0,1,1,2,3,3,4,6,8,9,11,13,16,21,25,31,36,43,50, 59,69,82,96,113,131,155,179,208,239,276,315,362, 414,472,539,614,698,795,902,1023,1158,1311,1479, 1672,1881,2118,2377,2671,2991,3354,3748,4194,4679, 5223,5815] |