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A290222 as a triangular array

1
01
021
0421
08721
01616721
0324220721
064965420721
01282281405920721
02565123601565920721
051211608884221625920721
010242560216810884421625920721

A290222 as a square array

100000000000
12481632641282565121024
12716429622851211602560
12720541403608882168
12720591564221088
1272059162442
1272059162
1272059
12720
127
12
1
100000000000
12481632641282565121024
12716429622851211602560
12720541403608882168
12720591564221088
1272059162442
1272059162
1272059
12720
127
12
1