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A026736 as a triangular array

1
11
121
1331
15641
16111051
1722211561
182943362171
19379479572881
11046131173136853691
1115617739830922112145101
1126723357570753034216655111

A026736 as a square array

111111111111
12356789101112
13611222937465667
1410214394131177233
15153679173398575
162157136309707
172885221530
1836121342
1945166
11055
111
1
111111111111
12356789101112
13611222937465667
1410214394131177233
15153679173398575
162157136309707
172885221530
1836121342
1945166
11055
111
1