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A183450 as a triangular array

1
11
151
1991
11318131
1333030331
16910772107691
11212652832832651211
125355383120548315532531
15291505239992089208239915055291
11013385277613486753608348677761

A183450 as a square array

11111111111
1591333691212535291013
19183010726555315053852
113307228383123997761
1331072832054920834867
169265831920853608
1121553239934867
125315057761
1529
1
11111111111
1591333691212535291013
19183010726555315053852
113307228383123997761
1331072832054920834867
169265831920853608
1121553239934867
125315057761
1529
1