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A198604 as a simple table

na(n)
11
21
31
42
55
62
75
832
932
105
1114
12251
13674
14251
1514
1641
171985
1814396
1914396
201985
2141
22122
2315761
24309770
25844228
26309770
2715761
28122
29365
30125168
316671450
3249726877
3349726877
346671450
35125168
36365
371094
38994127
39143724590
402934981667
418055413256

[1,1,1,2,5,2,5,32,32,5,14,251,674,251,14,41,1985,
 14396,14396,1985,41,122,15761,309770,844228,
 309770,15761,122,365,125168,6671450,49726877,
 49726877,6671450,125168,365,1094,994127,143724590,
 2934981667,8055413256]