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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 5 |
| 15 | 7 |
| 16 | 11 |
| 17 | 15 |
| 18 | 22 |
| 19 | 29 |
| 20 | 41 |
| 21 | 52 |
| 22 | 70 |
| 23 | 88 |
| 24 | 114 |
| 25 | 141 |
| 26 | 178 |
| 27 | 215 |
| 28 | 265 |
| 29 | 315 |
| 30 | 380 |
| 31 | 445 |
| 32 | 526 |
| 33 | 606 |
| 34 | 705 |
| 35 | 801 |
| 36 | 916 |
| 37 | 1027 |
| 38 | 1159 |
| 39 | 1282 |
| 40 | 1427 |
| 41 | 1561 |
| 42 | 1715 |
| 43 | 1855 |
| 44 | 2015 |
| 45 | 2157 |
| 46 | 2318 |
| 47 | 2458 |
| 48 | 2614 |
| 49 | 2747 |
| 50 | 2897 |
| 51 | 3018 |
| 52 | 3157 |
| 53 | 3266 |
| 54 | 3390 |
| 55 | 3485 |
[0,0,0,0,0,0,0,0,0,0,1,1,2,3,5,7,11,15,22,29,41, 52,70,88,114,141,178,215,265,315,380,445,526,606, 705,801,916,1027,1159,1282,1427,1561,1715,1855, 2015,2157,2318,2458,2614,2747,2897,3018,3157,3266, 3390,3485] |