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A104726 as a triangular array

1
11
221
3331
55541
888851
131313131261
21212121211771
3434343434332381
555555555555503091
898989898989887338

A104726 as a square array

1123581321345589
123581321345589
13581321345589
1481321345589
151221345589
1617335589
17235088
183073
1938
1
1123581321345589
123581321345589
13581321345589
1481321345589
151221345589
1617335589
17235088
183073
1938
1