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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 4 |
| 3 | 49 |
| 4 | 166 |
| 5 | 543 |
| 6 | 1237 |
| 7 | 2511 |
| 8 | 4762 |
| 9 | 7777 |
| 10 | 12262 |
| 11 | 18933 |
| 12 | 28504 |
| 13 | 39078 |
| 14 | 56065 |
| 15 | 73879 |
| 16 | 95962 |
| 17 | 124653 |
| 18 | 164761 |
| 19 | 203259 |
| 20 | 258646 |
| 21 | 311233 |
| 22 | 377932 |
| 23 | 458793 |
| 24 | 560755 |
| 25 | 648936 |
| 26 | 775258 |
| 27 | 908893 |
| 28 | 1056520 |
| 29 | 1215087 |
| 30 | 1428193 |
| 31 | 1607871 |
| 32 | 1866007 |
| 33 | 2111488 |
| 34 | 2399545 |
| 35 | 2694010 |
| 36 | 3040201 |
| 37 | 3356433 |
| 38 | 3811387 |
| 39 | 4253074 |
| 40 | 4720102 |
| 41 | 5180466 |
| 42 | 5806687 |
| 43 | 6324906 |
| 44 | 7035949 |
| 45 | 7690900 |
| 46 | 8392036 |
| 47 | 9180330 |
| 48 | 10136287 |
| 49 | 10894551 |
| 50 | 11930833 |
[0,4,49,166,543,1237,2511,4762,7777,12262,18933, 28504,39078,56065,73879,95962,124653,164761, 203259,258646,311233,377932,458793,560755,648936, 775258,908893,1056520,1215087,1428193,1607871, 1866007,2111488,2399545,2694010,3040201,3356433, 3811387,4253074,4720102,5180466,5806687,6324906, 7035949,7690900,8392036,9180330,10136287,10894551, 11930833] |