28659

Appears in sequences

• Number of 5-tuples of different integers from [ 1,n ] with no common factors among quadruples.at n=22A015644
• Pisot sequence L(4,5).at n=20A018910
• Pisot sequence L(7,10).at n=18A020743
• a(1) = 7; a(n+1) = a(n)-th nonprime, where nonprimes begin at 0.at n=42A025002
• Dirichlet convolution of d(n) (number of divisors) with Fibonacci numbers.at n=22A034772
• Pisot sequence L(5,7).at n=19A048584
• Row sums of triangle A053218.at n=11A053221
• a(n) = Fibonacci(4n+3) + 2, or Fibonacci(2n+3)*Lucas(2n).at n=5A081011
• Expansion of (3+x-x^2)/((1+x+x^2)(1-x-x^2)).at n=21A100888
• a(n) = A113655(Fibonacci(n+1)).at n=22A102905
• Sequence related to fifth roots of certain Fibonacci fractions.at n=8A127526
• a(1) = 3, a(n + 1) = 1 + a(n) + least odd prime factor of a(n).at n=32A144751
• a(n) = Fibonacci(n) + 2.at n=23A157725
• a(n) = 2*a(n-1) + 13, a(1)=1.at n=11A173873
• Indices of squares of primes in A098550.at n=41A251240
• Smallest m such that A257218(m) = n.at n=40A257122
• Position of second and last occurrence of n in A256918.at n=40A257475