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A155742 as a simple table

na(n)
01
10
20
30
41
50
60
76
86
90
100
1136
12121
1336
140
150
16240
171750
181750
19240
200
210
221800
2323290
2450625
2523290
261800
270
280
2915120
30308700
311193640
321193640
33308700
3415120
350
360
37141120
384207896
3925738720
4045819361
4125738720
424207896
43141120
440
450
461451520
4759832864
48535810464
491510458516
501510458516
51535810464
5259832864
531451520
540

[1,0,0,0,1,0,0,6,6,0,0,36,121,36,0,0,240,1750,
 1750,240,0,0,1800,23290,50625,23290,1800,0,0,
 15120,308700,1193640,1193640,308700,15120,0,0,
 141120,4207896,25738720,45819361,25738720,4207896,
 141120,0,0,1451520,59832864,535810464,1510458516,
 1510458516,535810464,59832864,1451520,0]