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A230861 as a triangular array

-1
-11
-12-1
-13-31
-14-64-1
-15-1010-51
-17-1520-156-1
-19-2335-3521-71
-111-3459-7056-288-1
-113-4896-130126-8436-91
-115-65150-230257-210120-4510-1

A230861 as a square array

-1-1-1-1-1-1-1-1-1-1-1
1234579111315
-1-3-6-10-15-23-34-48-65
141020355996150
-1-5-15-35-70-130-230
162156126257
-1-7-28-84-210
1836120
-1-9-45
110
-1
-1-1-1-1-1-1-1-1-1-1-1
1234579111315
-1-3-6-10-15-23-34-48-65
141020355996150
-1-5-15-35-70-130-230
162156126257
-1-7-28-84-210
1836120
-1-9-45
110
-1