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A055349 as a triangular array

1
20
630
243680
120360220300
7203600420015001440
5040378007140047250115088400
40320423360117600012348005456649878457600
36288050803201947456029635200204694566618528940896453600

A055349 as a square array

12624120720504040320362880
03363603600378004233605080320
08220420071400117600019474560
030150047250123480029635200
01441150854566420469456
0840987846618528
05760940896
045360
0
12624120720504040320362880
03363603600378004233605080320
08220420071400117600019474560
030150047250123480029635200
01441150854566420469456
0840987846618528
05760940896
045360
0