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A204015 as a triangular array

1
-10
-21-1
33-10
2-6-410
-88205-1-16
1458-4-31-6148
16-169-12169637-1208
-320-576540432-128-97-81400
-204818762340-1828-9283091539-1-4800
6880

A204015 as a square array

1-1-232-81416-320-20486880
013-6858-169-5761876
-1-1-420-4-1215402340
015-3169432-1828
0-1-663-128-928
-1617-97309
48-1-8153
20819
400-1
-4800
1-1-232-81416-320-20486880
013-6858-169-5761876
-1-1-420-4-1215402340
015-3169432-1828
0-1-663-128-928
-1617-97309
48-1-8153
20819
400-1
-4800