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A153864 as a triangular array

1
11
221
1223
22263
122667
22266149
12266141817
2226614183425
122661418345043
22266141834508667

A153864 as a square array

11212121212
1222222222
122222222
36666666
3666666
71414141414
918181818
17343434
255050
4386
67
11212121212
1222222222
122222222
36666666
3666666
71414141414
918181818
17343434
255050
4386
67