34347

Appears in sequences

• Numbers n such that x^n + x^5 + x^4 + x^3 + x^2 + x + 1 is irreducible over GF(2).at n=59A057484
• Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259.at n=17A071320
• 3p^2 where p runs through the primes.at n=27A079705
• Odd numbers k such that A166100((k-1)/2)/k is not an integer.at n=29A166102
• Antidiagonal sums of triangle A186084.at n=39A186505
• Numbers of the form 20*k+7 which are three times a square.at n=21A192328
• Number of 5 X n -1,1 arrays such that the sum over i=1..5,j=1..n of i*x(i,j) is zero and rows are nondecreasing (ways to put n thrusters pointing east or west at each of 5 positions 1..n distance from the hinge of a south-pointing gate without turning the gate).at n=19A225312
• 3*h^2, where h is an odd integer not divisible by 3.at n=35A229852
• Numbers p^2*q, p > q odd primes such that q divides p+1.at n=21A350245