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A350910 as a triangular array

1
11
111
1221
12521
14232341
14924159241
17624190411904162471
185021110404565100871104045502181
1124703479818336298345876629834587667981833647034121

A350910 as a square array

1111111111
1122447812
1252392624502147034
122341519041110404579818336
14921904165100872983458766
1462411040452983458766
17502179818336
1847034
112
1
1111111111
1122447812
1252392624502147034
122341519041110404579818336
14921904165100872983458766
1462411040452983458766
17502179818336
1847034
112
1