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A066170 as a triangular array

1
-11
1-1-1
-121-1
1-2-311
-133-4-11
1-3-645-1-1
-146-10-561-1
1-4-101015-6-711
-1510-20-15217-8-11
1-5-152035-21-2889-1-1
-1615-35-355628-36-9101-1
1-6-213570-56-843645-10-11

A066170 as a square array

1-11-11-11-11-11-11
1-12-23-34-45-56-6
-11-33-66-1010-1515-21
-11-44-1010-2020-3535
1-15-515-1535-3570
1-16-621-2156-56
-11-77-2828-84
-11-88-3636
1-19-945
1-110-10
-11-11
-1
1-11-11-11-11-11-11
1-12-23-34-45-56-6
-11-33-66-1010-1515-21
-11-44-1010-2020-3535
1-15-515-1535-3570
1-16-621-2156-56
-11-77-2828-84
-11-88-3636
1-19-945
1-110-10
-11-11
-1