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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | -1 |
| 4 | -2 |
| 5 | 2 |
| 6 | 9 |
| 7 | 1 |
| 8 | -29 |
| 9 | -24 |
| 10 | 88 |
| 11 | 153 |
| 12 | -234 |
| 13 | -796 |
| 14 | 327 |
| 15 | 3509 |
| 16 | 1301 |
| 17 | -13924 |
| 18 | -16511 |
| 19 | 47366 |
| 20 | 109639 |
| 21 | -121886 |
| 22 | -583921 |
| 23 | 79027 |
| 24 | 2691465 |
| 25 | 1808431 |
| 26 | -10775705 |
| 27 | -16965876 |
| 28 | 35686874 |
| 29 | 107103382 |
| 30 | -77820607 |
| 31 | -560120299 |
| 32 | -95094380 |
| 33 | 2536045800 |
| 34 | 2521002564 |
| 35 | -9832805334 |
| 36 | -19928899203 |
| 37 | 29983217002 |
| 38 | 118838292930 |
| 39 | -44109504096 |
| 40 | -600237397739 |
| 41 | -285632368107 |
| 42 | 2622720919077 |
| 43 | 3530864633371 |
| 44 | -9611558966277 |
| 45 | -24857829812388 |
| 46 | 25472208656701 |
| 47 | 140445352832736 |
| 48 | -5891793579597 |
| 49 | -680872708032455 |
| 50 | -537359624615144 |
| 51 | 2838471301330439 |
| 52 | 4957200244969051 |
| 53 | -9600812793387365 |
[1,1,-1,-2,2,9,1,-29,-24,88,153,-234,-796,327, 3509,1301,-13924,-16511,47366,109639,-121886, -583921,79027,2691465,1808431,-10775705,-16965876, 35686874,107103382,-77820607,-560120299,-95094380, 2536045800,2521002564,-9832805334,-19928899203, 29983217002,118838292930,-44109504096, -600237397739,-285632368107,2622720919077, 3530864633371,-9611558966277,-24857829812388, 25472208656701,140445352832736,-5891793579597, -680872708032455,-537359624615144, 2838471301330439,4957200244969051, -9600812793387365] |