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A283724 as a simple table

na(n)
10
21032
356106
42258212
583987692
62938694472
799246546144
83267618010712
9105565418525004
103361146348020960
11105782383857436330
123297885696243120040
13102011782806299147034
143134659055255537785816
1595779471363270179461976

[0,1032,56106,2258212,83987692,2938694472,
 99246546144,3267618010712,105565418525004,
 3361146348020960,105782383857436330,
 3297885696243120040,102011782806299147034,
 3134659055255537785816,95779471363270179461976]