Number of permutations b of length n that satisfy the Diaconis-Graham inequality I_n(b) + EX_n(b) <= D_n(b) with equality.
A301897
Number of permutations b of length n that satisfy the Diaconis-Graham inequality I_n(b) + EX_n(b) <= D_n(b) with equality.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =23a(4) =103a(5) =511a(6) =2719a(7) =15205a(8) =88197a(9) =526018a(10) =3206206a(11) =19885911a(12) =125107063a(13) =796453594a(14) =5121305414a(15) =33213428285a(16) =216998830397
External references
- oeis: A301897