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A270480 as a simple table

na(n)
11
23
329
45427
536287610
61365965619077845
723235868400278912260438706402888
8522919219334412314763983041497942273235588152390441601515859340

[1,3,29,5427,36287610,1365965619077845,
 23235868400278912260438706402888,
 52291921933441231476398304149794227323558815239044\
 1601515859340]