1048560

Appears in sequences

• Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to complement.at n=20A045663
• Largest solution of phi(x) = 2^n.at n=18A058215
• a(n) = n^5 - n.at n=16A061167
• a(n) = n*(2^n - 1).at n=16A066524
• Numbers k such that phi(k) is a perfect 9th power.at n=32A078169
• Numbers whose set of base 16 digits is {0,F}, where F base 16 = 15 base 10.at n=30A097262
• Numbers such that 2*UnitaryPhi(2*UnitaryPhi(n)) = n.at n=23A120453
• a(n) = largest multiple of n which is <= 2^n.at n=19A128092
• a(n) = the smallest positive multiple of n that has exactly n 1's in its binary representation.at n=15A143115
• Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where x>y and z>t are distinct pairs of integers with gcd(x,y)=gcd(z,t)=1.at n=29A147856
• a(n) = the largest positive multiple of n with exactly n digits when written in binary.at n=19A162214
• a(n) = 16*(2^n - 1).at n=16A175164
• Number of lower triangles of an n X n 0..4 array with each element unequal to the sum mod 5 of its horizontal and vertical neighbors.at n=3A194501
• T(n,k)=Number of lower triangles of an n X n 0..k array with each element unequal to the sum mod k+1 of its horizontal and vertical neighbors.at n=24A194505
• a(n) = (Product_{d=1..n-1} (2^d-1)) mod (2^n-1).at n=31A224746
• Least positive integer x such that x and n*x are both differences of fourth powers.at n=25A228760
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 81", based on the 5-celled von Neumann neighborhood.at n=19A285653
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood.at n=19A286732
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 339", based on the 5-celled von Neumann neighborhood.at n=19A287740
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood.at n=19A289961