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A343825 as a triangular array

0
01
012
0163
01484
014645
01469106
0146410127
014681012148
0146410914159
01468109148910
0146410121415161811
014

A343825 as a square array

0000000000000
111111111111
26444444444
386666666
44948484
5101010101010
612129912
714141414
815815
9916
1018
11
0000000000000
111111111111
26444444444
386666666
44948484
5101010101010
612129912
714141414
815815
9916
1018
11