329205

Appears in sequences

• Number of 7-element proper antichains of an n-element set.at n=6A051307
• Triangle T(n,m) giving number of m-element intersecting antichains on a labeled n-set or n-variable Boolean functions with m nonzero values in the Post class F(7,2), m=0,.., A037952(n).at n=32A059090
• Expansion of Product_{k>=1} (1+x^k)^(Fibonacci(k)).at n=22A261050