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A204420 as a triangular array

1
01
063
01209015
0504046201260105
036288037800013230018900945
0399168004557168018711000353430031185010395
0622702080076281004803511347840794593800945945005675670135135

A204420 as a square array

10000000
161205040362880399168006227020800
3904620378000455716807628100480
151260132300187110003511347840
105189003534300794593800
94531185094594500
103955675670
135135
10000000
161205040362880399168006227020800
3904620378000455716807628100480
151260132300187110003511347840
105189003534300794593800
94531185094594500
103955675670
135135