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A049310 as a triangular array

1
01
-101
0-201
10-301
030-401
-1060-501
0-40100-601
10-100150-701
050-200210-801
-10150-350280-901
0-60350-560360-1001
10-210700-840

A049310 as a square array

10-1010-1010-101
10-2030-4050-60
10-3060-100150-21
10-40100-200350
10-50150-35070
10-60210-560
10-70280-84
10-80360
10-90
10-10
10
1
10-1010-1010-101
10-2030-4050-60
10-3060-100150-21
10-40100-200350
10-50150-35070
10-60210-560
10-70280-84
10-80360
10-90
10-10
10
1