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A173583 as a triangular array

1
11
1261
16516511
116276407526162761
14069012547200262547200264069011
1101725261592004231513980255126276159200423151101725261
1254313151995002746419016219164554848565162191645548485651995002746419012543131511

A173583 as a square array

11111111
1266511627640690110172526254313151
165140752625472002615920042315199500274641901
116276254720026398025512627662191645548485651
140690115920042315162191645548485651
11017252699500274641901
1254313151
1
11111111
1266511627640690110172526254313151
165140752625472002615920042315199500274641901
116276254720026398025512627662191645548485651
140690115920042315162191645548485651
11017252699500274641901
1254313151
1