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A136502 as a triangular array

1
-11
2-21
-77-41
44-4426-81
-516516-308100-161
11622-116226959-2296392-321
-512022512022-306888101754-177121552-641
44588536-4458853626732904-88772721554404-1391046176-1281

A136502 as a square array

1-12-744-51611622-51202244588536
1-27-44516-11622512022-44588536
1-426-3086959-30688826732904
1-8100-2296101754-8877272
1-16392-177121554404
1-321552-139104
1-646176
1-128
1
1-12-744-51611622-51202244588536
1-27-44516-11622512022-44588536
1-426-3086959-30688826732904
1-8100-2296101754-8877272
1-16392-177121554404
1-321552-139104
1-646176
1-128
1