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A247642 as a simple table

na(n)
01
11
21
31
41
51
64
72
81
91
101
117
125
139
143
151
161
171
1810
198
2026
2114
2216
234
241
251
261
2713
2811
2952
3034
3170
3230
3325
345
351
361
371
3816
3914
4087
4163
42190
43104
44155
4555
4636
476
481
491
501
5119
5217
53131
54101
55403
56253
57553
58259
59301
6091
6149
627
631
641
651
6622
6720
68184

[1,1,1,1,1,1,4,2,1,1,1,7,5,9,3,1,1,1,10,8,26,14,
 16,4,1,1,1,13,11,52,34,70,30,25,5,1,1,1,16,14,87,
 63,190,104,155,55,36,6,1,1,1,19,17,131,101,403,
 253,553,259,301,91,49,7,1,1,1,22,20,184]