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A131414 as a triangular array

1
51
1031
16531
237531
3197531
401197531
50131197531
6115131197531
731715131197531

A131414 as a square array

151016233140506173
1357911131517
13579111315
135791113
1357911
13579
1357
135
13
1
151016233140506173
1357911131517
13579111315
135791113
1357911
13579
1357
135
13
1