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A127512 as a triangular array

1
-1-1
-1-2-1
0000
-1-4-6-4-1
15101051
-1-6-15-20-15-6-1
00000000
000000000
193684126126843691
-1-10-45-120-210-252-210-120-45-10-1
000000000000

A127512 as a square array

1-1-10-11-1001-10
-1-20-45-6009-100
-10-610-150036-450
0-410-200084-1200
-15-1500126-2100
1-600126-2520
-10084-2100
0036-1200
09-450
1-100
-10
0
1-1-10-11-1001-10
-1-20-45-6009-100
-10-610-150036-450
0-410-200084-1200
-15-1500126-2100
1-600126-2520
-10084-2100
0036-1200
09-450
1-100
-10
0