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A118257 as a simple table

na(n)
12
26
38
410
518
626
730
874
9142
10203
11398
12651
13792
141314
153487
165978
176240
187814
198054
208673
2121436
2223947

[2,6,8,10,18,26,30,74,142,203,398,651,792,1314,
 3487,5978,6240,7814,8054,8673,21436,23947]