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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 7 |
| 5 | 11 |
| 6 | 18 |
| 7 | 26 |
| 8 | 38 |
| 9 | 52 |
| 10 | 73 |
| 11 | 97 |
| 12 | 131 |
| 13 | 172 |
| 14 | 227 |
| 15 | 293 |
| 16 | 381 |
| 17 | 486 |
| 18 | 623 |
| 19 | 788 |
| 20 | 998 |
| 21 | 1251 |
| 22 | 1571 |
| 23 | 1954 |
| 24 | 2432 |
| 25 | 3006 |
| 26 | 3714 |
| 27 | 4561 |
| 28 | 5600 |
| 29 | 6838 |
| 30 | 8345 |
| 31 | 10139 |
| 32 | 12306 |
| 33 | 14879 |
| 34 | 17973 |
| 35 | 21633 |
| 36 | 26011 |
| 37 | 31181 |
| 38 | 37334 |
| 39 | 44579 |
| 40 | 53170 |
| 41 | 63257 |
| 42 | 75171 |
| 43 | 89130 |
| 44 | 105554 |
| 45 | 124750 |
| 46 | 147269 |
[0,1,3,7,11,18,26,38,52,73,97,131,172,227,293,381, 486,623,788,998,1251,1571,1954,2432,3006,3714, 4561,5600,6838,8345,10139,12306,14879,17973,21633, 26011,31181,37334,44579,53170,63257,75171,89130, 105554,124750,147269] |