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A187075 as a triangular array

1
23
41815
884180105
1636015002100945
32148810800273002835010395
64604872240294000529200436590135135
12824384463680285768079380001106028075675602027025
2569792029040002610720010509912022004136024972948014594580034459425

A187075 as a square array

1248163264128256
31884360148860482438497920
15180150010800722404636802904000
105210027300294000285768026107200
945283505292007938000105099120
1039543659011060280220041360
1351357567560249729480
2027025145945800
34459425
1248163264128256
31884360148860482438497920
15180150010800722404636802904000
105210027300294000285768026107200
945283505292007938000105099120
1039543659011060280220041360
1351357567560249729480
2027025145945800
34459425