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A236427 as a triangular array

81
487487
258157722581
12373601936019312373
55929544380129053954438055929
241933450552224143945241439454505522241933
101588934394854414682711987221751414682711343948541015889
4174941

A236427 as a square array

814872581123735592924193310158894174941
487577260193544380450552234394854
258160193129053924143945414682711
1237354438024143945987221751
559294505522414682711
24193334394854
1015889
814872581123735592924193310158894174941
487577260193544380450552234394854
258160193129053924143945414682711
1237354438024143945987221751
559294505522414682711
24193334394854
1015889