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A123949 as a triangular array

1
1-1
1-21
0-23-1
10-201
0-2-131-1
00-36-2-21
02-915-1131-1
1-426-1-6-121
0-27-1-11-384-1-1
00-3-6418-9-2-301
000-4319-2911-221-1
000040-251626-20-421
000-4117-63638-34

A123949 as a square array

11101000100000
-1-2-20-202-4-20000
13-2-1-3-927-3000
-1036156-1-6-40-4
11-2-11-1-1143411
-1-23-6-3181907
11-18-9-29-25-63
-124-2111663
1-1-3-2268
-102-20-34
11-4
-12
1
11101000100000
-1-2-20-202-4-20000
13-2-1-3-927-3000
-1036156-1-6-40-4
11-2-11-1-1143411
-1-23-6-3181907
11-18-9-29-25-63
-124-2111663
1-1-3-2268
-102-20-34
11-4
-12
1