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A185685 as a simple table

na(n)
117
20
337
447
50
667
7677
80
90
1097
11977
12107
130
14127
151277
16137
170
18157
19167
200
210
22197
230
240
25227
260
270
28257
290
30277
312777
320
330
34307
35317
360
37337
38347
390
40367
413677
420
430
44397
450
460
470
480
490
50457
51467
520
53487
544877
550
560
570
580
590
60547
615477
62557
630
64577
65587
660
67607
68617
690
700

[17,0,37,47,0,67,677,0,0,97,977,107,0,127,1277,
 137,0,157,167,0,0,197,0,0,227,0,0,257,0,277,2777,
 0,0,307,317,0,337,347,0,367,3677,0,0,397,0,0,0,0,
 0,457,467,0,487,4877,0,0,0,0,0,547,5477,557,0,577,
 587,0,607,617,0,0]