65544

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 64.at n=7A031742
• Number of ways of 4-coloring a map in which there is a central circle surrounded by an annulus divided into n-1 regions. There are n regions in all.at n=11A090860
• a(n) = 2^n + ceiling(n/2).at n=16A134522
• a(n) = 64*n^2 + 8.at n=31A158488
• a(n) = 4^n + n.at n=8A158879
• a(n) = ((1 + 3*sqrt(2))*(4 + sqrt(2))^n + (1 - 3*sqrt(2))*(4 - sqrt(2))^n)/2.at n=6A163615
• Numbers of the form A019434(i) + A000668(j).at n=21A168335
• Semi-sums (means) of a Fermat prime and a Mersenne prime.at n=27A174057
• a(n) = 8*(2^n + 1).at n=13A175161
• Numbers that can be formed using its own digits in order and only addition and fourth power operators.at n=38A195672
• Positions in A212200 where successive new numbers (see A212203) appear.at n=19A212204
• Numbers of the form m = 2^i + 2^j, where i > j >= 0, such that m - 1 is prime.at n=39A239708
• a(n) = 2^n + 8.at n=16A242475
• For any nonnegative real number x, let f(x) be the real number obtained by replacing in the binary expansions of the integer and fractional parts of x each finite run of k consecutive equal bits b with a run of k-(-1)^k consecutive bits b; a(n) is the denominator of f(1/n).at n=49A323627
• a(n) = A106315(A156552(n)).at n=57A324051