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A023013 as a simple table

na(n)
01
115
2135
3920
45220
525893
6115700
7475065
81817910
96551390
1022414314
1173265580
12229972855
13696109950
142039031360
155796944357
1616036186005
1743259046975
18114012183695
19294067720380
20743368453326
211844121021245
224494803760045

[1,15,135,920,5220,25893,115700,475065,1817910,
 6551390,22414314,73265580,229972855,696109950,
 2039031360,5796944357,16036186005,43259046975,
 114012183695,294067720380,743368453326,
 1844121021245,4494803760045]