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A370380 as a triangular array

1
13
1513
172971
1951195461
1117940914933447
11311373736231282329093
1151531203742735285122125273343
1171991831136018100937559112779912829325
119251264522961164371

A370380 as a square array

1111111111
35791113151719
13295179113153199251
71195409737120318312645
4611493362374271360122961
3447128233528581009164371
29093122125375591
2733431277991
2829325
1111111111
35791113151719
13295179113153199251
71195409737120318312645
4611493362374271360122961
3447128233528581009164371
29093122125375591
2733431277991
2829325