58828

Appears in sequences

• Determinant of n X n matrix whose rows are cyclic permutations of 1..n-th nonprime (A018252).at n=4A067560
• The terms of A055258 (sums of two powers of 7) divided by 2.at n=22A073218
• Triangle read by rows: T(n,k) = n*(1+n^k)/2, 0<=k<=n.at n=33A108396
• Polynomial triangle sequence of coefficients: p(x,n)=-((x - 1)^(2*n + 1)/x^n)*Sum[(k + 1)^n*Binomial[k, n]*x^k, {k, 0, Infinity}]. q(x,n)=(p(x,n)+x^n*p(1/x,n))/2.at n=16A155164
• Polynomial triangle sequence of coefficients: p(x,n)=-((x - 1)^(2*n + 1)/x^n)*Sum[(k + 1)^n*Binomial[k, n]*x^k, {k, 0, Infinity}]. q(x,n)=(p(x,n)+x^n*p(1/x,n))/2.at n=21A155164
• a(n) = n*(n^5 + 1)/2.at n=7A167963
• Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.at n=18A192753
• Number of classes of endofunctions of [n] under rotation and complement to n+1.at n=7A275557
• Practical numbers q with q + 2 and q^2 + 2 both practical.at n=28A294225
• Numbers of the form k*(k^5 +- 1)/2.at n=13A361263