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A105475 as a triangular array

1
21
141
2661
181581
2112628101
112426445121
2166012213066141
1168220829523291161
221108324582621378120181
120135480103514041176576153201
226170675

A105475 as a square array

121212121212
146811121616212026
161526426082108135170
182864122208324480675
110451302955821035
112662326211404
114913781176
116120576
118153
120
1
121212121212
146811121616212026
161526426082108135170
182864122208324480675
110451302955821035
112662326211404
114913781176
116120576
118153
120
1