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A015118 as a triangular array

1
11
1-71
157571
1-4553705-4551
1364123666523666536411
1-2912715150201-12093581515150201-291271
123301796958373761934287481619342874819695837372330171
1-186413562053592185

A015118 as a square array

111111111
1-757-4553641-29127233017-1864135
15737052366651515020196958373762053592185
1-455236665-12093581561934287481
136411515020161934287481
1-29127969583737
1233017
1
111111111
1-757-4553641-29127233017-1864135
15737052366651515020196958373762053592185
1-455236665-12093581561934287481
136411515020161934287481
1-29127969583737
1233017
1