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A250520 as a simple table

na(n)
150
21180
321955
4300131
53183434
627910024
7212707851
81462376991
99314700106
1056025183452
11322542598187

[50,1180,21955,300131,3183434,27910024,212707851,
 1462376991,9314700106,56025183452,322542598187]