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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 13 |
| 4 | 20 |
| 5 | 41 |
| 6 | 63 |
| 7 | 95 |
| 8 | 132 |
| 9 | 181 |
| 10 | 229 |
| 11 | 291 |
| 12 | 363 |
| 13 | 439 |
| 14 | 529 |
| 15 | 617 |
| 16 | 717 |
| 17 | 833 |
| 18 | 960 |
| 19 | 1093 |
| 20 | 1220 |
| 21 | 1377 |
| 22 | 1530 |
| 23 | 1695 |
| 24 | 1883 |
| 25 | 2075 |
| 26 | 2273 |
| 27 | 2475 |
| 28 | 2699 |
| 29 | 2921 |
| 30 | 3168 |
| 31 | 3431 |
| 32 | 3668 |
| 33 | 3937 |
| 34 | 4221 |
| 35 | 4513 |
| 36 | 4834 |
| 37 | 5139 |
| 38 | 5465 |
| 39 | 5789 |
| 40 | 6140 |
| 41 | 6493 |
| 42 | 6855 |
| 43 | 7251 |
| 44 | 7631 |
| 45 | 8047 |
| 46 | 8474 |
| 47 | 8881 |
[2,4,13,20,41,63,95,132,181,229,291,363,439,529, 617,717,833,960,1093,1220,1377,1530,1695,1883, 2075,2273,2475,2699,2921,3168,3431,3668,3937,4221, 4513,4834,5139,5465,5789,6140,6493,6855,7251,7631, 8047,8474,8881] |