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A177266 as a triangular array

1
41
581
4621
24421
824221
118111211
142084141821
213111823241681
1022616142061621
172916817254225291
3016218168321621821
23324222

A177266 as a square array

1454281114210173023
186428201322291632
1244181161624
12211418168182
122142314171622
11182420258
12166432
1816216
12252
12918
12
1
1454281114210173023
186428201322291632
1244181161624
12211418168182
122142314171622
11182420258
12166432
1816216
12252
12918
12
1