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A248542 as a simple table

na(n)
12
215
352
4149
5462
6907
72000
83827
96566
109607
1113716
1219361
1326626
1435005
1545144
1657553
1772370
1889055
19108244
20130139
21155466
22183111
23214128
24250561
25289902
26332521
27379740
28431741
29487886
30547037
31610576
32680137
33755678
34835739
35919484

[2,15,52,149,462,907,2000,3827,6566,9607,13716,
 19361,26626,35005,45144,57553,72370,89055,108244,
 130139,155466,183111,214128,250561,289902,332521,
 379740,431741,487886,547037,610576,680137,755678,
 835739,919484]