559240

Appears in sequences

• Numbers in which all pairs of consecutive base-4 digits differ by 2.at n=28A033082
• Expansion of 1/((1-2*x)*(1-x^4)).at n=19A083593
• a(0)=0, a(n)=4a(n-1)+2 for n odd, a(n)=4a(n-1) for n even.at n=10A117616
• a(n)=a(n-1)+a(n-2)+a(n-3)+2a(n-4).at n=23A139800
• a(0)=0; a(n+1) = 2*a(n) + period 4:repeat 0,1,-2,1.at n=23A181586
• a(0)=0, a(1)=1, a(n) = least k>a(n-1) such that k+a(n-2) is a Jacobsthal number.at n=20A215095