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A038245 as a triangular array

1
53
25309
12522513527
6251500135054081
312593751125067502025243
15625562508437567500303757290729
78125328125590625590625354375127575255152187
39062518750003937500

A038245 as a square array

152512562531251562578125390625
33022515009375562503281251875000
9135135011250843755906253937500
27540675067500590625
81202530375354375
2437290127575
72925515
2187
152512562531251562578125390625
33022515009375562503281251875000
9135135011250843755906253937500
27540675067500590625
81202530375354375
2437290127575
72925515
2187