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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 4 |
| 8 | 9 |
| 9 | 16 |
| 10 | 24 |
| 11 | 33 |
| 12 | 42 |
| 13 | 55 |
| 14 | 68 |
| 15 | 81 |
| 16 | 96 |
| 17 | 111 |
| 18 | 127 |
| 19 | 145 |
| 20 | 163 |
| 21 | 183 |
| 22 | 203 |
| 23 | 224 |
| 24 | 246 |
| 25 | 270 |
| 26 | 294 |
| 27 | 319 |
| 28 | 345 |
| 29 | 372 |
| 30 | 400 |
| 31 | 429 |
| 32 | 459 |
| 33 | 490 |
| 34 | 522 |
| 35 | 555 |
| 36 | 589 |
| 37 | 624 |
| 38 | 660 |
| 39 | 697 |
| 40 | 735 |
| 41 | 774 |
| 42 | 814 |
| 43 | 856 |
| 44 | 898 |
| 45 | 941 |
| 46 | 985 |
| 47 | 1030 |
| 48 | 1076 |
| 49 | 1123 |
| 50 | 1171 |
| 51 | 1220 |
| 52 | 1270 |
| 53 | 1321 |
| 54 | 1373 |
| 55 | 1426 |
[0,0,0,0,0,0,4,9,16,24,33,42,55,68,81,96,111,127, 145,163,183,203,224,246,270,294,319,345,372,400, 429,459,490,522,555,589,624,660,697,735,774,814, 856,898,941,985,1030,1076,1123,1171,1220,1270, 1321,1373,1426] |