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A183811 as a triangular array

1
33
9139
27555527
8123732223781
2431011195319531011243
72943411161916953116194341729
2187185677004414319114319170044185672187
65617960541892512325951701473123259541892579605

A183811 as a square array

139278124372921876561
31355237101143411856779605
95532219531161970044418925
272371953169531431911232595
811011116191431911701473
2434341700441232595
72918567418925
218779605
139278124372921876561
31355237101143411856779605
95532219531161970044418925
272371953169531431911232595
811011116191431911701473
2434341700441232595
72918567418925
218779605