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A137784 as a triangular array

2
-318
-44-72216
360-1980-16203240
717625920-71280-3888058320
-1512007534801360800-2494800-10206001224720
-3587520-217728005425056065318400-89812800-2939328029393280
152409600-678041280-205752960034177852803086294400

A137784 as a square array

2-3-443607176-151200-3587520152409600
18-72-198025920753480-21772800-678041280
216-1620-71280136080054250560-2057529600
3240-38880-2494800653184003417785280
58320-1020600-898128003086294400
1224720-29393280
29393280
2-3-443607176-151200-3587520152409600
18-72-198025920753480-21772800-678041280
216-1620-71280136080054250560-2057529600
3240-38880-2494800653184003417785280
58320-1020600-898128003086294400
1224720-29393280
29393280