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A221828 as a triangular array

0
00
030
016140
073202640
0333287929302920
01519409831154174161813320
069295834194715043475544559260160760
03160783040161927889935700666851944071118434490277160
0144177

A221828 as a square array

0000000000
0316733331519692931607144177
0142022879409835834198304016
06429301154174715043192788993
0292416184755445570066685
01332592601194407111
060768434490
027716
0
0000000000
0316733331519692931607144177
0142022879409835834198304016
06429301154174715043192788993
0292416184755445570066685
01332592601194407111
060768434490
027716
0