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A264172 as a triangular array

1
44
8258
16989816
3341873341833
69186260176017186269
14580075023796296502378007145
300345394086981531900153190040869834539300
62414980833288252391665647277776239166563328825

A264172 as a square array

148163369145300624
425984181862800734539149808
8987336017502374086983328825
16418601796296153190023916656
33186250237153190047277776
69800740869823916656
145345393328825
300
148163369145300624
425984181862800734539149808
8987336017502374086983328825
16418601796296153190023916656
33186250237153190047277776
69800740869823916656
145345393328825
300