34162

Appears in sequences

• Numbers k such that k^2 is palindromic in base 5.at n=23A029988
• Numbers k such that sum of 9th powers of divisors of k is divisible by the square of Euler-phi of k.at n=8A094468
• Partial sums of A003418.at n=11A173185
• a(n) = n! modulo n*(n+1)*(n+2)/3.at n=56A175624
• Numbers k such that the sum of the divisors of k and the sum of the distinct prime divisors of k are both a square.at n=27A194196
• L.g.f.: Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n,k)^2 * x^k*(1-x)^(n-k).at n=17A217464
• Numbers k such that k, k^2-1 and k^2+1 are all fine, where a number m is fine if its prime factors are all less than m^(1/3).at n=7A345896
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of exact spanning probability for site percolation along the second dimension for an n X n 2D nnsquare lattice with periodic boundary conditions.at n=41A366467
• Numbers k such that gcd(2*k^7+1, 3*k^3+2) > 1.at n=29A369153
• Number of closed knight's tours in the first 2n cells of a 7 X ceiling(2n/7) board.at n=8A383663