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A181230 as a triangular array

2
22
0100
024240
024264240
001608160800
00672033864672000
00201604838404838402016000
004032056448001915872056448004032000
0040320574156805955062405955062405741568040320

A181230 as a square array

2200000000
210242400000
02426416086720201604032040320
024160833864483840564480057415680
00672048384019158720595506240
00201605644800595506240
004032057415680
0040320
0
2200000000
210242400000
02426416086720201604032040320
024160833864483840564480057415680
00672048384019158720595506240
00201605644800595506240
004032057415680
0040320
0