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A278717 as a triangular array

1
07
-7017
0-1031
-2300049
0-17023071
-470-7041097
0-4107000127
-790-31000890161
0-730-1704701190199
-1190001073000241
0-1130-49023010301910287
-1670

A278717 as a square array

10-70-230-470-790-1190-167
70-10-170-410-730-1130
17000-70-31000
31023070-170-49
4904100010
7100047023
970890730
12701190103
161000
1990191
2410
287
10-70-230-470-790-1190-167
70-10-170-410-730-1130
17000-70-31000
31023070-170-49
4904100010
7100047023
970890730
12701190103
161000
1990191
2410
287