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A215065 as a triangular array

1
-11
1-21
13-31
-1146-41
49-551010-51
-137294-1652015-61
-127-9591029-3853521-71
5573-1016-38362744-7705628-81
-5039950157-4572-115086174-138684

A215065 as a square array

1-111-1149-137-1275573-50399
1-234-55294-959-101650157
1-3610-1651029-3836-4572
1-41020-3852744-11508
1-51535-7706174
1-62156-1386
1-72884
1-8
1
1-111-1149-137-1275573-50399
1-234-55294-959-101650157
1-3610-1651029-3836-4572
1-41020-3852744-11508
1-51535-7706174
1-62156-1386
1-72884
1-8
1