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A239653 as a simple table

na(n)
150
22874
3158728
48634040
5471203608
625594620082
71393740949524
875771817108924
94123656581299810
10224277326338407636
1112202934653709078564
12663797011286508892758
1336113966969053403996390
141964591618175666103412114

[50,2874,158728,8634040,471203608,25594620082,
 1393740949524,75771817108924,4123656581299810,
 224277326338407636,12202934653709078564,
 663797011286508892758,36113966969053403996390,
 1964591618175666103412114]