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A084387 as a simple table

na(n)
11
23
38
49
512
615
717
818
919
1022
1124
1228
1330
1435
1536
1637
1738
1840
1941
2044
2148
2254
2355
2456
2557

[1,3,8,9,12,15,17,18,19,22,24,28,30,35,36,37,38,
 40,41,44,48,54,55,56,57]