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A098819 as a simple table

na(n)
12
24
316
412
522
628
730
822
9138
1012
11102
12180
13426
141444
159502
166568
172212
185380
199942
203034
2124222
2231530
232962
247848
2593280
263718

[2,4,16,12,22,28,30,22,138,12,102,180,426,1444,
 9502,6568,2212,5380,9942,3034,24222,31530,2962,
 7848,93280,3718]