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A293627 as a simple table

na(n)
11
21
31
42
52
64
74
86
98
1011
1112
1219
1321
1427
1534
1645
1751
1869
1977
20100
21117
22146

[1,1,1,2,2,4,4,6,8,11,12,19,21,27,34,45,51,69,77,
 100,117,146]