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A127439 as a triangular array

2
21
212
2122
21224
212242
2122424
21224242
212242424
2122424246
21224242462
212242424626
2122424246264

A127439 as a square array

2222222222222
111111111111
22222222222
2222222222
444444444
22222222
4444444
222222
44444
6666
222
66
4
2222222222222
111111111111
22222222222
2222222222
444444444
22222222
4444444
222222
44444
6666
222
66
4