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A143790 as a triangular array

1
31
461
741191
11281341461
181926611921611241
2913201109801101521152513211
47904811970299476932618757491033618441
76620166353555812240568012307018763328192171149122061
123

A143790 as a square array

13471118294776123
164128119261320190481620166
1193416119109801197029935355581
14621611015214769326224056801
1124152511875749230701876
132110336133281921
1844711491
12206
1
13471118294776123
164128119261320190481620166
1193416119109801197029935355581
14621611015214769326224056801
1124152511875749230701876
132110336133281921
1844711491
12206
1