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A138076 as a triangular array

1
-11
1-61
-123-231
1-76230-761
-1237-16821682-2371
1-72210543-2354810543-7221
-12179-60657259723-25972360657-21791
1-6552331612-24852884675014-2485288331612-65521
-119673-175634021707972-6941329469413294-217079721756340-196731

A138076 as a square array

1-11-11-11-11-1
1-623-76237-7222179-655219673
1-23230-168210543-60657331612-1756340
1-761682-23548259723-248528821707972
1-23710543-2597234675014-69413294
1-72260657-248528869413294
1-2179331612-21707972
1-65521756340
1-19673
1
1-11-11-11-11-1
1-623-76237-7222179-655219673
1-23230-168210543-60657331612-1756340
1-761682-23548259723-248528821707972
1-23710543-2597234675014-69413294
1-72260657-248528869413294
1-2179331612-21707972
1-65521756340
1-19673
1