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A248988 as a simple table

na(n)
12
253
3204
4585
51326
62817
75028
88789
913970
1021601
1131512
1245353
1362194
1484725
15111556
16145697
17185598
18235249
19291740
20360701
21438402
22530913
23634224
24755745
25889506
261045157
271215548
281410889
291623630
301865681
312126932
322422133
332739634

[2,53,204,585,1326,2817,5028,8789,13970,21601,
 31512,45353,62194,84725,111556,145697,185598,
 235249,291740,360701,438402,530913,634224,755745,
 889506,1045157,1215548,1410889,1623630,1865681,
 2126932,2422133,2739634]