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A073148 as a triangular array

1
23
7912
30374355
143173194218273
728871961104511551428
3876460450335393577863247752
2131825194273782909430744326553551143263
120175

A073148 as a square array

12730143728387621318120175
3937173871460425194
1243194961503327378
552181045539329094
2731155577830744
1428632432655
775235511
43263
12730143728387621318120175
3937173871460425194
1243194961503327378
552181045539329094
2731155577830744
1428632432655
775235511
43263