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A171636 as a triangular array

2
240
14800
16134400360
01483840010752
0422128896004032000
17280111070259200182476800
7920008066421555200096864768004118400
052800145166657536000590413824000242161920

A171636 as a square array

224116001728792000
048013440142005280
00483840212889601800
360001107025920664215552001
10752403200004516665753600
0182476809686476800
0059041382400
41184000
242161920
224116001728792000
048013440142005280
00483840212889601800
360001107025920664215552001
10752403200004516665753600
0182476809686476800
0059041382400
41184000
242161920