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A154991 as a triangular array

2
11
17-3017
16-10-1016
72-176256-17672
99-577878-5799
275-2821557-16601557-282275
4661180290449049029041180466
105852442170445801546845802170452441058

A154991 as a square array

21171672992754661058
1-30-10-176-57-28211805244
17-10256781557290421704
16-17678-16604904580
72-57155749015468
99-28229044580
275118021704
4665244
1058
21171672992754661058
1-30-10-176-57-28211805244
17-10256781557290421704
16-17678-16604904580
72-57155749015468
99-28229044580
275118021704
4665244
1058