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A327571 as a triangular array

1
22
131
2242
12121
444464
1212131
22422422
131413141
2262262262
12121312121
444464444644

A327571 as a square array

121214121214
23224223224
1414141614
224224224
16121216
4343634
121214
24224
1614
226
14
4
121214121214
23224223224
1414141614
224224224
16121216
4343634
121214
24224
1614
226
14
4