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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | -3 |
| 5 | 6 |
| 6 | 3 |
| 7 | -8 |
| 8 | -12 |
| 9 | 12 |
| 10 | 4 |
| 11 | 25 |
| 12 | -40 |
| 13 | -30 |
| 14 | 20 |
| 15 | 5 |
| 16 | 96 |
| 17 | 150 |
| 18 | -120 |
| 19 | -60 |
| 20 | 30 |
| 21 | 6 |
| 22 | -427 |
| 23 | 672 |
| 24 | 525 |
| 25 | -280 |
| 26 | -105 |
| 27 | 42 |
| 28 | 7 |
| 29 | -2176 |
| 30 | -3416 |
| 31 | 2688 |
| 32 | 1400 |
| 33 | -560 |
| 34 | -168 |
| 35 | 56 |
| 36 | 8 |
| 37 | 12465 |
| 38 | -19584 |
| 39 | -15372 |
| 40 | 8064 |
| 41 | 3150 |
| 42 | -1008 |
| 43 | -252 |
| 44 | 72 |
| 45 | 9 |
| 46 | 79360 |
| 47 | 124650 |
| 48 | -97920 |
| 49 | -51240 |
| 50 | 20160 |
| 51 | 6300 |
| 52 | -1680 |
| 53 | -360 |
| 54 | 90 |
| 55 | 10 |
| 56 | -555731 |
| 57 | 872960 |
| 58 | 685575 |
| 59 | -359040 |
| 60 | -140910 |
| 61 | 44352 |
| 62 | 11550 |
| 63 | -2640 |
| 64 | -495 |
| 65 | 110 |
| 66 | 11 |
[1,2,2,-3,6,3,-8,-12,12,4,25,-40,-30,20,5,96,150, -120,-60,30,6,-427,672,525,-280,-105,42,7,-2176, -3416,2688,1400,-560,-168,56,8,12465,-19584, -15372,8064,3150,-1008,-252,72,9,79360,124650, -97920,-51240,20160,6300,-1680,-360,90,10,-555731, 872960,685575,-359040,-140910,44352,11550,-2640, -495,110,11] |