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A140835 as a triangular array

0
11
121
2662
31218123
5252525255
848120160120488
1391919191919113
21168588168147016858816821
343063062856306306285630630634
55550247555024751386024755502475

A140835 as a square array

011235813213455
12612254891168306550
161825120915883062475
21225160911682856550
3251209114703062475
5489116830613860
89158828562475
13168306550
213062475
34
011235813213455
12612254891168306550
161825120915883062475
21225160911682856550
3251209114703062475
5489116830613860
89158828562475
13168306550
213062475
34