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A250683 as a simple table

na(n)
11005121
232230991
3923242475
423739860017
5542694735983
611161659240791
7210335029800118
83682042848693451
960641209583699449
10948745856029597670
1114215547255379464689
12205309451238359552540
132873492420605039758875

[1005121,32230991,923242475,23739860017,
 542694735983,11161659240791,210335029800118,
 3682042848693451,60641209583699449,
 948745856029597670,14215547255379464689,
 205309451238359552540,2873492420605039758875]