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A203004 as a triangular array

1
-11
-1811
-84116-11
-4391221-83911
-247510435-138555658-11
-1431281690-165715138669-3903811
-83270601411-16619562164099-1292751266899-11
-485157

A203004 as a square array

1-1-18-84-439-2475-14312-83270-485157
1111612211043581690601411
1-1-839-13855-165715-1661956
1156581386692164099
1-1-39038-1292751
11266899
1-1
1
1-1-18-84-439-2475-14312-83270-485157
1111612211043581690601411
1-1-839-13855-165715-1661956
1156581386692164099
1-1-39038-1292751
11266899
1-1
1