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A026794 as a triangular array

1
11
201
3101
51001
721001
11210001
154110001
2242100001
30721100001
428311000001
56124211000001
771452110000001
10121631110000001

A026794 as a square array

11235711152230425677101
1011224478121421
100111223456
10001111223
1000011111
100000111
10000001
1000000
100000
10000
1000
100
10
1
11235711152230425677101
1011224478121421
100111223456
10001111223
1000011111
100000111
10000001
1000000
100000
10000
1000
100
10
1