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A163649 as a triangular array

1
-11
1-22
-13-66
1-412-246
-15-2060-3030
1-630-12090-18020
-17-42210-210630-140140
1-856-336420-1680560-112070

A163649 as a square array

1-11-11-11-11
1-23-45-67-8
2-612-2030-4256
6-2460-120210-336
6-3090-210420
30-180630-1680
20-140560
140-1120
70
1-11-11-11-11
1-23-45-67-8
2-612-2030-4256
6-2460-120210-336
6-3090-210420
30-180630-1680
20-140560
140-1120
70