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A054458 as a triangular array

1
31
761
172391
417648121
9923320482151
239682765428125181
577193526491907775177211
139353688680765640101272238241
33631464127312285481835875061946308271

A054458 as a square array

13717419923957713933363
1623762336821935536814641
19482047652649868027312
112824281907765628548
115125775401018358
11817712727506
1212381946
124308
127
1
13717419923957713933363
1623762336821935536814641
19482047652649868027312
112824281907765628548
115125775401018358
11817712727506
1212381946
124308
127
1