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A205986 as a triangular array

81
423423
223219802232
115688004800411568
6043233504270603350460432
315357140802103998103998140802315357
16435385913364084114190884084115913361643538
85746152482596159909618147841814784

A205986 as a square array

814232232115686043231535716435388574615
42319808004335041408025913362482596
22328004270601039984084111599096
11568335041039984190881814784
604321408024084111814784
315357591336
1643538
814232232115686043231535716435388574615
42319808004335041408025913362482596
22328004270601039984084111599096
11568335041039984190881814784
604321408024084111814784
315357591336
1643538