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A180188 as a triangular array

1
02
303
81204
45403005
2642701206006
1855184894528010507
14832148407392252056016808
13349713348866780221765670100825209
13349601334970667440222600554401134016803600

A180188 as a square array

1038452641855148321334971334960
2012402701848148401334881334970
3030120945739266780667440
4060280252022176222600
50105560567055440
60168100811340
702521680
80360
90

A180188 as an upper right triangle

1038452641855148321334971334960
2012402701848148401334881334970
3030120945739266780667440
4060280252022176222600
50105560567055440
60168100811340
702521680
80360
90

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Last modified May 21 10:48 EDT 2019. Contains 323443 sequences. (Running on oeis4.)