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A215228 as a triangular array

2
32
460
51260
62024120
730607200
842120240120180
95621060072040800
1072336126025202940840240
1190504235267201260010080244800
12110720403215120401105796038640

A215228 as a square array

23456789101112
2612203042567290110
062460120210336504720
01272240600126023524032
001207202520672015120
01840829401260040110
008401008057960
024244838640
00
0
23456789101112
2612203042567290110
062460120210336504720
01272240600126023524032
001207202520672015120
01840829401260040110
008401008057960
024244838640
00
0