Number of set partitions of [n] with alternating parity of elements and exactly five blocks.

A305779

Number of set partitions of [n] with alternating parity of elements and exactly five blocks.

Terms

    a(0) =1a(1) =5a(2) =19a(3) =62a(4) =204a(5) =627a(6) =2006a(7) =6045a(8) =19091a(9) =56804a(10) =177431a(11) =523072a(12) =1618006a(13) =4739853a(14) =14544372a(15) =42440871a(16) =129419597a(17) =376877914a(18) =1143885829a(19) =3328765378a(20) =10068808024a(21) =29308488795a(22) =88433869354a(23) =257651383313a(24) =776063514999

External references