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A162785 as a simple table

na(n)
01
115
2210
32835
438220
5514605
66928740
793285465
81255955610
916909618635
10227663487870
113065158424055
1241267909559240
13555612506386665
147480515990707760
15100714290692336685
161355971748798391270

[1,15,210,2835,38220,514605,6928740,93285465,
 1255955610,16909618635,227663487870,3065158424055,
 41267909559240,555612506386665,7480515990707760,
 100714290692336685,1355971748798391270]