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A177767 as a triangular array

1
-11
-111
-1121
-11331
-114641
-115101051
-11615201561
-1172135352171
-118285670562881
-1193684126126843691
-11104512021025221012045101

A177767 as a square array

1-1-1-1-1-1-1-1-1-1-1-1
11111111111
12345678910
136101521283645
141020355684120
15153570126210
162156126252
172884210
1836120
1945
110
1
1-1-1-1-1-1-1-1-1-1-1-1
11111111111
12345678910
136101521283645
141020355684120
15153570126210
162156126252
172884210
1836120
1945
110
1