27797
domain: N
Appears in sequences
- Smallest number that can be made to take n steps to reach 0 under "k -> any product of 2 numbers whose concatenation is k".at n=24A035934
- Expansion of (1+2*x+3*x^2)/((1-x)^3*(1-x^2)).at n=37A055232
- a(n) = floor(sqrt(a(n-1)^2 + a(n-2)^2)), a(1)=1, a(2)=3.at n=41A104803
- Composite numbers n such that the sum of proper divisors of n divides 2^n+1.at n=15A278337
- Smallest positive integer whose smallest coprime divisor shift is n.at n=39A366219