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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 9 |
| 9 | 11 |
| 10 | 14 |
| 11 | 17 |
| 12 | 21 |
| 13 | 26 |
| 14 | 32 |
| 15 | 39 |
| 16 | 47 |
| 17 | 56 |
| 18 | 67 |
| 19 | 80 |
| 20 | 95 |
| 21 | 113 |
| 22 | 133 |
| 23 | 156 |
| 24 | 183 |
| 25 | 214 |
| 26 | 250 |
| 27 | 291 |
| 28 | 338 |
| 29 | 391 |
| 30 | 452 |
| 31 | 521 |
| 32 | 600 |
| 33 | 690 |
| 34 | 791 |
| 35 | 906 |
| 36 | 1035 |
| 37 | 1181 |
| 38 | 1346 |
| 39 | 1532 |
| 40 | 1741 |
| 41 | 1975 |
| 42 | 2238 |
| 43 | 2532 |
| 44 | 2862 |
| 45 | 3231 |
| 46 | 3643 |
| 47 | 4103 |
| 48 | 4615 |
| 49 | 5186 |
| 50 | 5822 |
| 51 | 6529 |
| 52 | 7315 |
| 53 | 8187 |
| 54 | 9154 |
[1,1,2,2,3,4,5,7,9,11,14,17,21,26,32,39,47,56,67, 80,95,113,133,156,183,214,250,291,338,391,452,521, 600,690,791,906,1035,1181,1346,1532,1741,1975, 2238,2532,2862,3231,3643,4103,4615,5186,5822,6529, 7315,8187,9154] |