Number T(n,k) of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.
A287213
Number T(n,k) of set partitions of [n] such that the maximal absolute difference between consecutive elements within a block equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =3a(6) =1a(7) =1a(8) =7a(9) =5a(10) =2a(11) =1a(12) =15a(13) =18a(14) =13a(15) =5a(16) =1a(17) =31a(18) =57a(19) =61a(20) =38a(21) =15a(22) =1a(23) =63a(24) =169a(25) =248a(26) =215a(27) =129a(28) =52a(29) =1
External references
- oeis: A287213