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A248929 as a triangular array

1
21
431
12741
81251151
2646216461661
142256412784477772271
22980998211211115851451049251202981

A248929 as a square array

124128126461422564229809982112
137252161278411115851
14114647745104
151677925
1622120
1729
18
1

A248929 as an upper right triangle

124128126461422564229809982112
137252161278411115851
14114647745104
151677925
1622120
1729
18
1

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Last modified July 11 23:53 EDT 2020. Contains 335654 sequences. (Running on oeis4.)