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A156074 as a triangular array

1
11
121
1221
14441
124421
1446441
12444421
144646441
1688888861
12686868621
166101010101010661
148810121012108841

A156074 as a square array

1111111111111
122424246264
12444448668
14464688108
12444861010
1446881012
124861010
14881012
1661010
1268
168
14
1
1111111111111
122424246264
12444448668
14464688108
12444861010
1446881012
124861010
14881012
1661010
1268
168
14
1