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A128497 as a triangular array

1
01
2-21
05-41
3-812-61
014-2823-81
4-2058-6838-101
030-108171-13657-121
5-40188-382405-24080-141
055-308781-1056828-388107-161
6-70483-14882488-24721524-588138-181
091-7282678-5408

A128497 as a square array

102030405060
1-25-814-2030-4055-7091
1-412-2858-108188-308483-728
1-623-68171-382781-14882678
1-838-136405-10562488-5408
1-1057-240828-2472
1-1280-3881524
1-14107-588
1-16138
1-18
1
102030405060
1-25-814-2030-4055-7091
1-412-2858-108188-308483-728
1-623-68171-382781-14882678
1-838-136405-10562488-5408
1-1057-240828-2472
1-1280-3881524
1-14107-588
1-16138
1-18
1