Two-Way Fréchet Bounds

For 22 tables of counts{nij} given the marginal totals {n1+,n2+} and {n+1,n+2}:
Interested in multi-way generalizations involving higher-order, overlapping margins.

**For 22 tables of counts{nij} given the marginal totals {n1+,n2+} and {n+1,n+2}:**