Number T(n,k) of partitions of an n-set with distinct block sizes and maximal block size equal to k; triangle T(n,k), n>=0, ceiling((sqrt(1+8*n)-1)/2)<=k<=n, read by rows.
A262072
Number T(n,k) of partitions of an n-set with distinct block sizes and maximal block size equal to k; triangle T(n,k), n>=0, ceiling((sqrt(1+8*n)-1)/2)<=k<=n, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =1a(5) =4a(6) =1a(7) =10a(8) =5a(9) =1a(10) =60a(11) =15a(12) =6a(13) =1a(14) =140a(15) =21a(16) =7a(17) =1a(18) =280a(19) =224a(20) =28a(21) =8a(22) =1a(23) =1260a(24) =630a(25) =336a(26) =36a(27) =9a(28) =1a(29) =12600
External references
- oeis: A262072