262127

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(546).at n=9A042044
• a(n) = the least positive integer k such that Omega(n+k) = Omega(k)+n, where Omega(m) (A001222) denotes the number of prime factors of m, counting multiplicity.at n=16A076158
• a(n) = 3*a(n-1) - a(n-2) - 3*a(n-3) + 2*a(n-4).at n=17A084173
• a(n) = 2^(n+1) - n.at n=16A095768
• a(n) = 2^(2*n)-(2*n-1).at n=9A100102
• Primes of the form 2^k - k + 1.at n=6A100362
• a(n) = Sum_{k=0..n} (1-(-1)^( floor( (-n-k)/2^k ) )) * 2^(k-1).at n=17A105229
• Row sums of triangle A132044.at n=18A132045
• Fixed points of the mapping f(x) = (x + 2^x) mod (17 + x).at n=13A166118
• Primes of the form 2^t-2^k-1, k>=1.at n=47A181741
• Largest safe prime less than 2^n.at n=15A243916
• Least prime p such that p+n is product of (n+1) primes (with multiplicity).at n=17A255092
• Values of prime q corresponding to terms in A268594.at n=10A268596
• 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 379", based on the 5-celled von Neumann neighborhood.at n=17A287946
• 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 427", based on the 5-celled von Neumann neighborhood.at n=17A288137
• 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 561", based on the 5-celled von Neumann neighborhood.at n=17A289377
• a(n) = k where wt(k) = n and k + wt(k) = a power of two, where wt(n) = A000120(n) = binary weight of n.at n=16A374348
• Prime numbersat n=22998