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A217670 as a simple table

na(n)
01
11
20
32
4-2
52
60
72
8-8
98
100
112
12-12
132
140
1532
16-36
172
180
192
20-20
2158
220
232
24-136
2572
260
2792
28-28
292
300
312
32-272
33134
340
35422
36-288
372
380
39184
40-480
412
420
432
44-44
451232
460
472
48-2360
49926
500
51308
52-52
532
540
552004
56-1176
57382
580
592
60-4064
612
620
636470
64-5128
653642

[1,1,0,2,-2,2,0,2,-8,8,0,2,-12,2,0,32,-36,2,0,2,
 -20,58,0,2,-136,72,0,92,-28,2,0,2,-272,134,0,422,
 -288,2,0,184,-480,2,0,2,-44,1232,0,2,-2360,926,0,
 308,-52,2,0,2004,-1176,382,0,2,-4064,2,0,6470,
 -5128,3642]