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A223186 as a triangular array

1
55
252025
1258080125
625320400320625
312512802080208012803125
156255120108801456010880512015625
781252048056960103520103520569602048078125
390625819202982407387201018720

A223186 as a square array

152512562531251562578125390625
52080320128051202048081920
258040020801088056960298240
125320208014560103520738720
6251280108801035201018720
3125512056960
1562520480
78125
152512562531251562578125390625
52080320128051202048081920
258040020801088056960298240
125320208014560103520738720
6251280108801035201018720
3125512056960
1562520480
78125