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A206188 as a triangular array

256
19761976
156161968815616
124048205804205804124048
986388241018838026762410188986388
7854572304173169518775695187756304173167854572
62623348406202048267444479656749693442674444796

A206188 as a square array

256197615616124048986388785457262623348
197619688205804241018830417316406202048
156162058043802676951877562674444796
1240482410188951877565674969344
986388304173162674444796
7854572
256197615616124048986388785457262623348
197619688205804241018830417316406202048
156162058043802676951877562674444796
1240482410188951877565674969344
986388304173162674444796
7854572