Number of integer compositions of 2n whose leaders of weakly decreasing runs sum to n. Center n = 2*k of the triangle A374748.
A374703
Number of integer compositions of 2n whose leaders of weakly decreasing runs sum to n. Center n = 2*k of the triangle A374748.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =24a(5) =96a(6) =343a(7) =1242a(8) =4700a(9) =17352a(10) =65995
External references
- oeis: A374703