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A121484 as a triangular array

1
11
221
4621
8131021
1634231321
337475321621
66178180124401921
136390497321180482221
27489511921004488244562521
5621958303325981701682317642821
11384374

A121484 as a square array

112481633661362745621138
12613347417839089519584374
1210237518049711923033
12133212432110042598
1216401804881701
121948244682
122256317
122564
1228
12
1
112481633661362745621138
12613347417839089519584374
1210237518049711923033
12133212432110042598
1216401804881701
121948244682
122256317
122564
1228
12
1