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A184407 as a triangular array

1260
1614016140
201543326100201543
2563542636103763610372563542
3254654712748443019090461612748443032546547
4141993952555137939594436386259443638622555137939414199395
527335542051389641795

A184407 as a square array

1260161402015432563542325465474141993955273355420
161403261006361037127484430255513793951389641795
20154363610371909046165944363862
25635421274844305944363862
325465472555137939
414199395
1260161402015432563542325465474141993955273355420
161403261006361037127484430255513793951389641795
20154363610371909046165944363862
25635421274844305944363862
325465472555137939
414199395