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A291867 as a simple table

na(n)
11
23
35
47
513
618
745
873
9165
10174
11298
12502
13563
14901
151033
161164
171181
182040
194165
2020389
2123608
2234542
2388761

[1,3,5,7,13,18,45,73,165,174,298,502,563,901,1033,
 1164,1181,2040,4165,20389,23608,34542,88761]