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A282280 as a simple table

na(n)
14
26
312
414
518
626
740
846
9114
10138
11194
12484
13889
14939
151264
161808
171964
182077
195929
206512
218892
2210862
2338120
2453664
2588822

[4,6,12,14,18,26,40,46,114,138,194,484,889,939,
 1264,1808,1964,2077,5929,6512,8892,10862,38120,
 53664,88822]