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A128207 as a triangular array

1
-11
1-11
-22-21
6-66-31
-3030-3015-51
240-240240-12040-81
-31203120-31201560-520104-131
65520-6552065520-3276010920

A128207 as a square array

1-11-26-30240-312065520
1-12-630-2403120-65520
1-26-30240-312065520
1-315-1201560-32760
1-540-52010920
1-8104
1-13
1
1-11-26-30240-312065520
1-12-630-2403120-65520
1-26-30240-312065520
1-315-1201560-32760
1-540-52010920
1-8104
1-13
1