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A140877 as a triangular array

4
-76
-8-174
17-22-44-16
1251-48-120-96
-3146146-80-336-352
-16-113140412-64-944-1088
49-78-3723601160224-2624-3072
20211-296-115678432641536-7168-8192

A140877 as a square array

4-7-81712-31-164920
6-17-225146-113-78211
4-44-48146140-372-296
-16-120-80412360-1156
-96-336-641160784
-352-9442243264
-1088-26241536
-3072-7168
-8192
4-7-81712-31-164920
6-17-225146-113-78211
4-44-48146140-372-296
-16-120-80412360-1156
-96-336-641160784
-352-9442243264
-1088-26241536
-3072-7168
-8192