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A025030 as a simple table

na(n)
01
17
228
3140
4658
53164
615106
772302
8345775
91654092
107911970
1137846314
12181033035
13865951710
144142180085
1519813648817
1694776329265
17453351783116
182168556616440
1910373043626906
2049618272850056
21237343357526002

[1,7,28,140,658,3164,15106,72302,345775,1654092,
 7911970,37846314,181033035,865951710,4142180085,
 19813648817,94776329265,453351783116,
 2168556616440,10373043626906,49618272850056,
 237343357526002]