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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 12 |
| 5 | 20 |
| 6 | 31 |
| 7 | 46 |
| 8 | 67 |
| 9 | 94 |
| 10 | 128 |
| 11 | 170 |
| 12 | 222 |
| 13 | 285 |
| 14 | 361 |
| 15 | 452 |
| 16 | 558 |
| 17 | 682 |
| 18 | 826 |
| 19 | 991 |
| 20 | 1179 |
| 21 | 1394 |
| 22 | 1637 |
| 23 | 1909 |
| 24 | 2215 |
| 25 | 2556 |
| 26 | 2935 |
| 27 | 3354 |
| 28 | 3817 |
| 29 | 4327 |
| 30 | 4885 |
| 31 | 5496 |
| 32 | 6163 |
| 33 | 6889 |
| 34 | 7676 |
| 35 | 8530 |
| 36 | 9453 |
| 37 | 10449 |
| 38 | 11521 |
| 39 | 12674 |
| 40 | 13911 |
| 41 | 15237 |
| 42 | 16656 |
| 43 | 18171 |
| 44 | 19787 |
| 45 | 21509 |
[1,2,3,7,12,20,31,46,67,94,128,170,222,285,361, 452,558,682,826,991,1179,1394,1637,1909,2215,2556, 2935,3354,3817,4327,4885,5496,6163,6889,7676,8530, 9453,10449,11521,12674,13911,15237,16656,18171, 19787,21509] |