393822

Appears in sequences

• Number triangle T(n,k) = binomial(n,k)*binomial(2n,n-k).at n=46A110608
• a(n) = n * binomial(2*n, n-1).at n=9A110609
• Dimensions of the irreducible representations of the simple Lie algebra of type E6 over the complex numbers, listed in increasing order.at n=33A121737
• Triangle T(n,k) = binomial(n,k)*binomial(n+k+1,n+1) read by rows, 0 <= k <= n.at n=53A178301
• Number of valleys in all left factors of Dyck paths of length n. A valley is a (1,-1)-step followed by a (1,1)-step.at n=19A191522
• Number of maximal matchings in the n X n X n grid graph.at n=2A297488
• List of dimensions for which there exist several non-isomorphic irreducible representations of E6.at n=23A339250
• a(n) is the smallest number which can be represented as the sum of n distinct positive cubes in exactly 2 ways, or -1 if no such number exists.at n=33A374417