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A024199 as a simple table

na(n)
00
11
22
313
476
5789
67734
7110937
81528920
928018665
10497895210
1111110528485
12241792844580
136361055257725
14163842638377950
154964894559637425
16147721447995130800
175066706567801827025
18171002070002301095250
196548719685561840296125
20247199273204273879989500

[0,1,2,13,76,789,7734,110937,1528920,28018665,
 497895210,11110528485,241792844580,6361055257725,
 163842638377950,4964894559637425,
 147721447995130800,5066706567801827025,
 171002070002301095250,6548719685561840296125,
 247199273204273879989500]