Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m is in some block b and m+1 is in block b+1.
A271796
Number of set partitions of [n] having exactly nine pairs (m,m+1) such that m is in some block b and m+1 is in block b+1.
Terms
- a(0) =0a(1) =1a(2) =55a(3) =1505a(4) =29324a(5) =470327a(6) =6695470a(7) =88385973a(8) =1111798442a(9) =13564841773a(10) =162467818939
External references
- oeis: A271796