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A130330 as a triangular array

1
31
731
15731
3115731
633115731
127633115731
255127633115731
511255127633115731
1023511255127633115731
20471023511255127633115731

A130330 as a square array

13715316312725551110232047
1371531631272555111023
137153163127255511
137153163127255
137153163127
137153163
1371531
13715
137
13
1

A130330 as an upper right triangle

13715316312725551110232047
1371531631272555111023
137153163127255511
137153163127255
137153163127
137153163
1371531
13715
137
13
1

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Last modified June 5 12:47 EDT 2020. Contains 334840 sequences. (Running on oeis4.)