109115

Appears in sequences

• Number of strings of numbers x(i=1..7) in 0..n with sum i*x(i)^2 equal to n*49.at n=14A184446
• Number of steps to reach 0 when starting from (2^n)-1 and iterating the map x -> x - (number of runs in binary representation of x): a(n) = A255072(A000225(n)).at n=20A255062
• Numbers k such that 407*2^k+1 is prime.at n=28A323103