36555

Appears in sequences

• Numbers k such that 10^k + 5*R_k + 4 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=24A102938
• Numbers n with k divisors such that n-1 and n+1 in binary representation have same number k of 0's as 1's.at n=44A191369
• a(n) = 2*a(n-1)-2*a(n-2)+a(n-3)+2*a(n-4) with a(0)=a(1)=0, a(2)=2, a(3)=3.at n=24A307688