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A293157 as a triangular array

1
31
1551
10536101
94532999201
1039536551146292401
13513547844154224317876801
2027025721315237135698621692426281601
3445942512310199410668012515843325076740478843201
654729075234615096791549272472832669445941627252269616236526401

A293157 as a square array

131510594510395135135202702534459425654729075
153632936554784472131512310199234615096
11099114615422237135410668079154927
120292431769862125158424728326
140876169243325076944594
1802628674041627252
11607884269616
132023652
1640
1
131510594510395135135202702534459425654729075
153632936554784472131512310199234615096
11099114615422237135410668079154927
120292431769862125158424728326
140876169243325076944594
1802628674041627252
11607884269616
132023652
1640
1