24051

Appears in sequences

• Number of bipartite partitions of n white objects and 6 black ones.at n=13A002755
• Convolution of Fibonacci numbers and (1, prime(1), prime(2), ...).at n=17A023608
• Numbers k such that [A070080(k), A070081(k), A070082(k)] is an integer Heronian triangle having triangular area.at n=22A070148
• Integers k such that nextprime(k^5) - prevprime(k^5) = 4.at n=20A090123
• Row sums of A163233 and A163235.at n=33A163242
• Riordan matrix (1/((1-x)*sqrt(1-4*x)),x/(1-x)).at n=46A187887
• Riordan matrix (1/sqrt(1-4*x),x/(1-x)).at n=57A187888
• Rectangular array: (row n) = b**c, where b(h) = h, c(h) = binomial(2*n-4+2*h,n-2+h), n>=1, h>=1, and ** = convolution.at n=36A213853
• Number of distinct lines passing through at least two points in a triangular grid of side n.at n=23A244504
• Isolated deficient numbers that are divisible by 3.at n=38A273255
• Composite numbers k such that phi(x) = psi(k)*phi(k) has no solution.at n=19A292714