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A181905 as a simple table

na(n)
11
2-3
30
413
5-24
60
750
8-51
90
1072
11-120
120
13170
14-150
150
16205
17-288
180
19362
20-312
210
22360
23-528
240
25601
26-510
270
28650
29-840
300
31962
32-819
330
34864
35-1200
360
371370
38-1086
390
401224
41-1680
420
431850
44-1560
450
461584
47-2208
480
492451
50-1803
510
522210
53-2808
540

[1,-3,0,13,-24,0,50,-51,0,72,-120,0,170,-150,0,
 205,-288,0,362,-312,0,360,-528,0,601,-510,0,650,
 -840,0,962,-819,0,864,-1200,0,1370,-1086,0,1224,
 -1680,0,1850,-1560,0,1584,-2208,0,2451,-1803,0,
 2210,-2808,0]