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A189776 as a simple table

na(n)
152
22704
3140608
44461435
5136521398
63848548036
7112831587094
83292640179737
997500493294819
102875530570969513
1184985322553211150
122506681235723278913
1373977340086823664092
142182270990001902317787
1564391876501073035366505

[52,2704,140608,4461435,136521398,3848548036,
 112831587094,3292640179737,97500493294819,
 2875530570969513,84985322553211150,
 2506681235723278913,73977340086823664092,
 2182270990001902317787,64391876501073035366505]