24984

Appears in sequences

• Number of partitions of n into 9 unordered relatively prime parts.at n=45A023029
• Numerator of fraction equal to the continued fraction [0,2,4,...2n].at n=5A036242
• Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(2,5) and cn(0,5) <= cn(4,5) + cn(2,5) and cn(0,5) <= cn(1,5) + cn(3,5) and cn(0,5) <= cn(4,5) + cn(3,5).at n=39A039843
• Number of knot diagrams of type 2PI with n crossings and two outgoing strings.at n=10A067648
• Sum of terms of n-th row of A077321.at n=17A077324
• Numbers k such that the three second-degree cyclotomic polynomials x^2 + 1, x^2 - x + 1 and x^2 + x + 1 are simultaneously prime when evaluated at x=k.at n=18A087277
• a(n) = 729*n - 531.at n=34A156771
• Antidiagonal triangle sequence based on recursion: f(n,a)=a*n*f(n-1,a)+f(n-2,a).at n=34A173003
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w<x+y.at n=36A182260
• Triangle read by rows: T(n,k) = K(n,1)*I(k,1) - (-1)^(n+k)*I(n,1)* K(k,1), where I(n,x) and K(n,x) are Bessel functions; 0<=k<=n.at n=29A246658
• a(n) = number of nonnegative integers that are not the sum of {2 squares, a nonnegative 5th power, and a nonnegative n-th power}.at n=27A332664