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A068898 as a simple table

na(n)
155
266
32415
43003
55050
65151
75995
88778
99045
10113050
11138075
12171405
13174345
14177906
15183921
16198765
17203203
18216153
19219453
20234270
21237705
22239086
23252405
24255255
25266815
26267546
27275653
28279378
29284635
30293761
31294528
32306153
33309291
34329266
35348195

[55,66,2415,3003,5050,5151,5995,8778,9045,113050,
 138075,171405,174345,177906,183921,198765,203203,
 216153,219453,234270,237705,239086,252405,255255,
 266815,267546,275653,279378,284635,293761,294528,
 306153,309291,329266,348195]