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A260781
as
a triangular array
1
1
1
5
8
-1
27
57
-15
3
502
1292
-528
212
-38
2375
7135
-3990
2410
-865
135
A260781
as
a square array
1
1
5
27
502
2375
1
8
57
1292
7135
-1
-15
-528
-3990
3
212
2410
-38
-865
135
A260781
as
an upper right triangle
1
1
5
27
502
2375
1
8
57
1292
7135
-1
-15
-528
-3990
3
212
2410
-38
-865
135