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A136668 as a triangular array

1
01
-202
0-1108
80-74048
01190-6320384
-48016340-660803840
0-14090240320-81984046080
3840-3279803893120-11784960645120
0188250-741056069668480-19270656010321920

A136668 as a square array

10-2080-4803840
10-1101190-1409018825
20-74016340-327980
80-6320240320-741056
480-660803893120
3840-8198406966848
38400-11784960
460800-19270656
6451200
10321920
10-2080-4803840
10-1101190-1409018825
20-74016340-327980
80-6320240320-741056
480-660803893120
3840-8198406966848
38400-11784960
460800-19270656
6451200
10321920