13048945

Appears in sequences

• Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1.at n=11A037646
• a(n) = a(n-1) + 2^(A047258(n)) for n>1, a(1)=1.at n=11A113867
• a(0) = 0, a(n+1) = 2*a(n) + (-1)^floor(n/3).at n=24A275788