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A217591 as a simple table

na(n)
118
254
318
436
554
636
718
818
9594
10198
11792
12594
13594
14792
15792
16198
17396
18396
19594
20594
21594
22198
23396
24198
25396
26594
27594
28198
29198
30198
31792
32594
33198
34792
35594
36792
377992
38180
39270
402268
41540
428532
43810
446804
451908
467902
47360
482358
49630
502718
51180
521908
535904
541998
557992
5690
576084
588172
598262
608442

[18,54,18,36,54,36,18,18,594,198,792,594,594,792,
 792,198,396,396,594,594,594,198,396,198,396,594,
 594,198,198,198,792,594,198,792,594,792,7992,180,
 270,2268,540,8532,810,6804,1908,7902,360,2358,630,
 2718,180,1908,5904,1998,7992,90,6084,8172,8262,
 8442]