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A209201 as a simple table

na(n)
11
20
316
40
57739670528
60
7137105941502361600000000000000
80
96990502336758588607110928994980286070521856000000000000000000
100

[1,0,16,0,7739670528,0,
 137105941502361600000000000000,0,
 69905023367585886071109289949802860705218560000000\
 00000000000,0]