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A153046 as a simple table

na(n)
02
16
230
33150
46063750
51717605545906250
62623719141408662719128738281250
71019408754706474658106933474548666805595768826381331909476074218750

[2,6,30,3150,6063750,1717605545906250,
 2623719141408662719128738281250,
 10194087547064746581069334745486668055957688263813\
 31909476074218750]