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A281063 as a simple table

na(n)
11
23
36
412
516
618
727
830
959
1060
1161
12118
13198
14208
15826
161696
171813
184505
197111
209715
2111572
2215439
2317406
2455998
2589836
26158544
27199801
28201547

[1,3,6,12,16,18,27,30,59,60,61,118,198,208,826,
 1696,1813,4505,7111,9715,11572,15439,17406,55998,
 89836,158544,199801,201547]