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A156646 as a triangular array

1
11
14841
12332892332891
1112444816541986336361124448161
1541981680251259153518824010012591535188240100541981680251
126123404543236292529063805651468022514099840435802262036324002925290638056514680225261234045432361

A156646 as a square array

1111111
14842332891124448165419816802526123404543236
123328954198633636125915351882401002925290638056514680225
1112444816125915351882401001409984043580226203632400
1541981680252925290638056514680225
126123404543236
1
1111111
14842332891124448165419816802526123404543236
123328954198633636125915351882401002925290638056514680225
1112444816125915351882401001409984043580226203632400
1541981680252925290638056514680225
126123404543236
1