38906

Appears in sequences

• Numbers k such that 4^k + 2^k - 1 is prime.at n=26A098855
• Largest number in a 6-tuple (a,b,c,d,e,f) of positive integers satisfying the Markoff(6) equation a^2 + b^2 + c^2 + d^2 + e^2 + f^2 = 3*a*b*c*d*e*f.at n=43A227204
• Number of partitions of n with ten parts in which no part occurs more than twice.at n=39A320598
• G.f. A(x) satisfies A(x) = 1/(1 - x)^2 + x*A(x)^3/(1 - x).at n=6A366179