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A204230 as a triangular array

81
450450
250045392500
11100446414464111100
4928431200175256231200149284
1924742173565818317081831702173565192474
75168912097076874871171290620378748711712097076751689
270764167329896

A204230 as a square array

81450250011100492841924747516892707641
45045394464131200121735651209707667329896
250044641752562818317087487117
111003120018183170129062037
49284217356587487117
19247412097076
751689

A204230 as an upper right triangle

81450250011100492841924747516892707641
45045394464131200121735651209707667329896
250044641752562818317087487117
111003120018183170129062037
49284217356587487117
19247412097076
751689

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Last modified September 20 10:51 EDT 2021. Contains 347584 sequences. (Running on oeis4.)