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A104707 as a triangular array

1
251
81201
2554151
1001536151
256601027101
2512830527101
100106430518101
8140532105951
252710032100951
15910516105951

A104707 as a square array

12581251002562510081251
1205415601281040275
115361030645109
1152753032010
11027510325
1101851016
1109010
1595
159
15
1
12581251002562510081251
1205415601281040275
115361030645109
1152753032010
11027510325
1101851016
1109010
1595
159
15
1