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A075501 as a triangular array

1
61
36181
216252361
12963240900601
777640176194402340901
466564898883900967560050401261
27993659253127511616220449622680095761681
167961671383680

A075501 as a square array

163621612967776466562799361679616
118252324040176489888592531271383680
136900194403900967511616
1602340756002204496
1905040226800
11269576
1168
1
163621612967776466562799361679616
118252324040176489888592531271383680
136900194403900967511616
1602340756002204496
1905040226800
11269576
1168
1