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A143411 as a triangular array

1
31
1351
793371
6332776191
6331284964397111
759733482179931225141131
1063623493825114751177932071193151
1701796979771731870837292681343613229253171

A143411 as a square array

131379633633175973106362317017969
15332772849348214938257977173
176164379931147511870837
1997122517793292681
111141207134361
1131933229
115253
117
1
131379633633175973106362317017969
15332772849348214938257977173
176164379931147511870837
1997122517793292681
111141207134361
1131933229
115253
117
1