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A174188 as a triangular array

1
11
1281
15325321
121280404320212801
15160403921904003921904005160401
11599724029482913320011793165328000294829133200159972401
1427715680244366799454400237035795470768000

A174188 as a square array

11111111
1285322128051604015997240427715680
1532404320392190400294829133200244366799454400
12128039219040011793165328000237035795470768000
1516040294829133200
115997240
1
11111111
1285322128051604015997240427715680
1532404320392190400294829133200244366799454400
12128039219040011793165328000237035795470768000
1516040294829133200
115997240
1