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A131113 as a triangular array

1
51
5101
515151
52030201
5255050251
5307510075301
535105175175105351
540140280350280140401
545180420630630420180451

A131113 as a square array

1555555555
11015202530354045
115305075105140180
12050100175280420
12575175350630
130105280630
135140420
140180
145
1

A131113 as an upper right triangle

1555555555
11015202530354045
115305075105140180
12050100175280420
12575175350630
130105280630
135140420
140180
145
1

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)