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A206645 as a simple table

na(n)
14
296
31625
430145
5545520
69937823
7180716227
83287842038
959809329737
101088032590151
1119792964824776
12360064977265607
136550140544959199
14119157239793862758
152167655337437946773
1639433019182323687619

[4,96,1625,30145,545520,9937823,180716227,
 3287842038,59809329737,1088032590151,
 19792964824776,360064977265607,6550140544959199,
 119157239793862758,2167655337437946773,
 39433019182323687619]