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A355802 as a triangular array

1
11
121
1221
12221
123321
1234321
12344321
123565321
1235775321
12357875321
12358111185321
1235812141285321

A355802 as a square array

1111111111111
122222222222
12233333333
1234455555
123467788
1235781112
123571114
1235812
12358
1235
123
12
1
1111111111111
122222222222
12233333333
1234455555
123467788
1235781112
123571114
1235812
12358
1235
123
12
1