624036

Appears in sequences

• Expansion of 1/((1-x)(1-7x)(1-12x)).at n=5A016255
• Expansion of 1/(1-4*x)^(15/2).at n=5A020926
• Self-convolution of A120588, such that a(n) = 3*A120588(n) for n >= 2.at n=13A120589
• a(2n) = Cat(n), a(2n+1) = 3*Cat(n), where Cat(n) = binomial(2n,n)/(n+1) are the Catalan numbers (A000108).at n=25A126324
• Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (6,n)-rectangular grid with k '1's and (6n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=51A228165
• Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (6,n)-rectangular grid with k '1's and (6n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=53A228165
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^binomial(k+4,5).at n=33A344205