| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 12 |
| 6 | 17 |
| 7 | 22 |
| 8 | 29 |
| 9 | 36 |
| 10 | 45 |
| 11 | 54 |
| 12 | 67 |
| 13 | 80 |
| 14 | 97 |
| 15 | 114 |
| 16 | 135 |
| 17 | 156 |
| 18 | 183 |
| 19 | 210 |
| 20 | 243 |
| 21 | 276 |
| 22 | 315 |
| 23 | 354 |
| 24 | 403 |
| 25 | 452 |
| 26 | 511 |
| 27 | 570 |
| 28 | 639 |
| 29 | 708 |
| 30 | 791 |
| 31 | 874 |
| 32 | 971 |
| 33 | 1068 |
| 34 | 1179 |
| 35 | 1290 |
| 36 | 1421 |
| 37 | 1552 |
| 38 | 1703 |
| 39 | 1854 |
| 40 | 2025 |
| 41 | 2196 |
| 42 | 2393 |
| 43 | 2590 |
[1,2,4,6,9,12,17,22,29,36,45,54,67,80,97,114,135, 156,183,210,243,276,315,354,403,452,511,570,639, 708,791,874,971,1068,1179,1290,1421,1552,1703, 1854,2025,2196,2393,2590] |