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A198654 as a simple table

na(n)
10
21
31
41
53
61
72
814
914
102
113
1276
13185
1476
153
166
17488
183904
193904
20488
216
2211
233521
2498467
25344008
2698467
273521
2811
2923
3028030
313050721
3239898934
3339898934
343050721
3528030
3623
3747
38242849
39108395401
405870175231
4121787578805
425870175231
43108395401

[0,1,1,1,3,1,2,14,14,2,3,76,185,76,3,6,488,3904,
 3904,488,6,11,3521,98467,344008,98467,3521,11,23,
 28030,3050721,39898934,39898934,3050721,28030,23,
 47,242849,108395401,5870175231,21787578805,
 5870175231,108395401]