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A049038 as a simple table

na(n)
13
229
3337
43061
53089
623537
71304539
81304591
91304669
109557957
119559577
12514272413
13514273933
14514274921
15514275149
16514275187
173779849621
183779853023

[3,29,337,3061,3089,23537,1304539,1304591,1304669,
 9557957,9559577,514272413,514273933,514274921,
 514275149,514275187,3779849621,3779853023]