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A156815 as a triangular array

1
01
012
0266
06283624
024180300240120
01201488324031201800720
072015120433445040033600151205040
0504018288069552097977675600038304014112040320
04032025704001306800022377600200188801143072046569601451520362880

A156815 as a square array

1000000000
112624120720504040320
26281801488151201828802570400
63630032404334469552013068000
2424031205040097977622377600
12018003360075600020018880
7201512038304011430720
50401411204656960
403201451520
362880
1000000000
112624120720504040320
26281801488151201828802570400
63630032404334469552013068000
2424031205040097977622377600
12018003360075600020018880
7201512038304011430720
50401411204656960
403201451520
362880