Number of k-element subsets S of {1,...,n} such that mean(S) is not equal to median(S).
A212140
Number of k-element subsets S of {1,...,n} such that mean(S) is not equal to median(S).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =2a(4) =8a(5) =26a(6) =68a(7) =164a(8) =370a(9) =806a(10) =1706a(11) =3554a(12) =7312a(13) =14930a(14) =30312a(15) =61318a(16) =123700a(17) =249096a(18) =500912a(19) =1006316
External references
- oeis: A212140