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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 10 |
| 5 | 11 |
| 6 | 14 |
| 7 | 20 |
| 8 | 30 |
| 9 | 41 |
| 10 | 55 |
| 11 | 75 |
| 12 | 105 |
| 13 | 146 |
| 14 | 201 |
| 15 | 276 |
| 16 | 381 |
| 17 | 527 |
| 18 | 728 |
| 19 | 1004 |
| 20 | 1385 |
| 21 | 1912 |
| 22 | 2640 |
| 23 | 3644 |
| 24 | 5029 |
| 25 | 6941 |
| 26 | 9581 |
| 27 | 13225 |
| 28 | 18254 |
| 29 | 25195 |
| 30 | 34776 |
| 31 | 48001 |
| 32 | 66255 |
| 33 | 91450 |
| 34 | 126226 |
| 35 | 174227 |
| 36 | 240482 |
| 37 | 331932 |
| 38 | 458158 |
| 39 | 632385 |
| 40 | 872867 |
| 41 | 1204799 |
| 42 | 1662957 |
| 43 | 2295342 |
| 44 | 3168209 |
| 45 | 4373008 |
| 46 | 6035965 |
| 47 | 8331307 |
| 48 | 11499516 |
[1,3,6,10,11,14,20,30,41,55,75,105,146,201,276, 381,527,728,1004,1385,1912,2640,3644,5029,6941, 9581,13225,18254,25195,34776,48001,66255,91450, 126226,174227,240482,331932,458158,632385,872867, 1204799,1662957,2295342,3168209,4373008,6035965, 8331307,11499516] |