Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n).
A131632
Triangle T(n,k) read by rows = number of partitions of n-set into k blocks with distinct sizes, k = 1..A003056(n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =1a(5) =4a(6) =1a(7) =15a(8) =1a(9) =21a(10) =60a(11) =1a(12) =63a(13) =105a(14) =1a(15) =92a(16) =448a(17) =1a(18) =255a(19) =2016a(20) =1a(21) =385a(22) =4980a(23) =12600a(24) =1a(25) =1023a(26) =15675a(27) =27720a(28) =1a(29) =1585
External references
- oeis: A131632