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A088699 as a triangular array

1
11
121
1331
14741
15131351
1621342161
173173733171
18431362091364381
19572295015012295791
1107335810451546104535873101
111915291961405140511961

A088699 as a square array

111111111111
1234567891011
13713213143577391
14133473136229358529
15217320950110451961
163113650115464051
174322910454051
18573581961
1973
110
1
111111111111
1234567891011
13713213143577391
14133473136229358529
15217320950110451961
163113650115464051
174322910454051
18573581961
1973
110
1