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A250474 as a simple table

na(n)
14
25
39
414
528
636
757
867
993
10139
11154
12210
13253
14272
15317
16396
17473
18504
19593
20658
21687
22792
23866
24979
251141
261229
271270
281356
291397
301496
311849
321947
332111
342159
352457
362514
372695
382880
393007
403204
413398
423473
433828
443904
454047
464121
474583
485061
495228
505309
515474
525743
535832
546269
556543
566816
577107
587197
597488
607686
617784
628295
639029
649248
659354
669568
6710351

[4,5,9,14,28,36,57,67,93,139,154,210,253,272,317,
 396,473,504,593,658,687,792,866,979,1141,1229,
 1270,1356,1397,1496,1849,1947,2111,2159,2457,2514,
 2695,2880,3007,3204,3398,3473,3828,3904,4047,4121,
 4583,5061,5228,5309,5474,5743,5832,6269,6543,6816,
 7107,7197,7488,7686,7784,8295,9029,9248,9354,9568,
 10351]