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A147007 as a simple table

na(n)
11
21
31
41
51
61
71
81
92
103
116
129
1314
1423
1557
16131
17385
18909
192527
206618
2123479

[1,1,1,1,1,1,1,1,2,3,6,9,14,23,57,131,385,909,
 2527,6618,23479]