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A280180 as a simple table

na(n)
10
21
31
40
52
60
73
812
912
103
113
1241
1360
1441
153
169
17103
18279
19279
20103
219
2215
23263
241082
251633
261082
27263
2815
2931
30656
313931
328759
338759
343931
35656
3631
3757
381618
3913720
4043094
4163336
4243094
4313720
441618
4557
46108
473931
4846467
49202693
50421214
51421214
52202693
5346467

[0,1,1,0,2,0,3,12,12,3,3,41,60,41,3,9,103,279,279,
 103,9,15,263,1082,1633,1082,263,15,31,656,3931,
 8759,8759,3931,656,31,57,1618,13720,43094,63336,
 43094,13720,1618,57,108,3931,46467,202693,421214,
 421214,202693,46467]