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A234081 as a simple table

na(n)
1335536
26162980
3105917092
42200773076
545902295216
61118287561704
727031988237608
8737597105103228
919486801198599648
10563389032092403468
1115555669052591882504
12461156218489739041728
1313003902723500558074376

[335536,6162980,105917092,2200773076,45902295216,
 1118287561704,27031988237608,737597105103228,
 19486801198599648,563389032092403468,
 15555669052591882504,461156218489739041728,
 13003902723500558074376]