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A297841 as a simple table

na(n)
11
28
318
436
550
690
798
8160
9171
10250
11242
12392
13338
14490
15500
16656
17578
18882
19722
201050
21980
221210
231058
241640
251275
261690
271620
282058
291682
302522
311922
322688
332420
342890
352548
363726
372738
383610
393380
404328
413362
424900
433698
445082
454662
465290
474418
486688

[1,8,18,36,50,90,98,160,171,250,242,392,338,490,
 500,656,578,882,722,1050,980,1210,1058,1640,1275,
 1690,1620,2058,1682,2522,1922,2688,2420,2890,2548,
 3726,2738,3610,3380,4328,3362,4900,3698,5082,4662,
 5290,4418,6688]