24323

Appears in sequences

• Coordination sequence for MgZn2, Mg position.at n=39A009939
• Partial sums of A066425.at n=12A068055
• Interprimes (A024675) which are of the form s*prime, s=13.at n=12A075288
• List of solutions to the Znám problem sorted first by length, then lexicographically.at n=39A075461
• 144*n^2 - n.at n=12A156635
• a(n) = 169*n^2 - 13.at n=11A158550
• a(n) = n! * [x^n] exp(2*exp(x) - x - 2). Row sums of triangle A217537.at n=8A217924
• Sum of n-th powers of the roots of x^3 + x^2 - 9*x - 1.at n=8A274075
• Numerators of coefficients in an asymptotic expansion of the Wallis sequence in inverse powers of n.at n=8A292754
• Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of self-avoiding closed paths on an n X k grid which pass through four corners ((0,0), (0,k-1), (n-1,k-1), (n-1,0)).at n=47A333513
• Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of self-avoiding closed paths on an n X k grid which pass through four corners ((0,0), (0,k-1), (n-1,k-1), (n-1,0)).at n=52A333513
• Number of self-avoiding closed paths on an n X 4 grid which pass through four corners ((0,0), (0,3), (n-1,3), (n-1,0)).at n=7A333514
• Numbers k such that the abundancy index of sigma(k) divided by the abundancy index of d(k) equals a whole number.at n=16A392507