Floor of the expected value of number of trials until exactly five cells are empty in a random distribution of n balls in n cells.

A210116

Floor of the expected value of number of trials until exactly five cells are empty in a random distribution of n balls in n cells.

Terms

    a(0) =7776a(1) =311a(2) =51a(3) =16a(4) =7a(5) =4a(6) =3a(7) =3a(8) =2a(9) =3a(10) =3a(11) =4a(12) =5a(13) =8a(14) =11a(15) =16a(16) =25a(17) =40a(18) =66a(19) =110a(20) =187a(21) =325a(22) =574a(23) =1032a(24) =1885a(25) =3492a(26) =6557a(27) =12467a(28) =23988a(29) =46667

External references