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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | -15 |
| 2 | -3 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | -7 |
| 7 | 5 |
| 8 | 12 |
| 9 | 15 |
| 10 | 20 |
| 11 | 9 |
| 12 | 21 |
| 13 | 30 |
| 14 | 35 |
| 15 | 42 |
| 16 | 33 |
| 17 | 45 |
| 18 | 56 |
| 19 | 63 |
| 20 | 72 |
| 21 | 65 |
| 22 | 77 |
| 23 | 90 |
| 24 | 99 |
| 25 | 110 |
| 26 | 105 |
| 27 | 117 |
| 28 | 132 |
| 29 | 143 |
| 30 | 156 |
| 31 | 153 |
| 32 | 165 |
| 33 | 182 |
| 34 | 195 |
| 35 | 210 |
| 36 | 209 |
| 37 | 221 |
| 38 | 240 |
| 39 | 255 |
| 40 | 272 |
| 41 | 273 |
| 42 | 285 |
| 43 | 306 |
| 44 | 323 |
| 45 | 342 |
| 46 | 345 |
| 47 | 357 |
| 48 | 380 |
| 49 | 399 |
| 50 | 420 |
| 51 | 425 |
| 52 | 437 |
[0,-15,-3,2,3,6,-7,5,12,15,20,9,21,30,35,42,33,45, 56,63,72,65,77,90,99,110,105,117,132,143,156,153, 165,182,195,210,209,221,240,255,272,273,285,306, 323,342,345,357,380,399,420,425,437] |