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A174450 as a triangular array

1
11
1121
124241
140960401
16024002400601
18450402016005040841
1112940856448056448094081121
1144161281354752812851201354752161281441
11802592029030402438553602438553602903040259201801

A174450 as a square array

1111111111
11224406084112144180
1249602400504094081612825920
140240020160056448013547522903040
160504056448081285120243855360
18494081354752243855360
1112161282903040
114425920
1180
1
1111111111
11224406084112144180
1249602400504094081612825920
140240020160056448013547522903040
160504056448081285120243855360
18494081354752243855360
1112161282903040
114425920
1180
1