3028544
domain: N
Appears in sequences
- a(n) = a(n-1) + (3+(-1)^n)*a(n-2)/2.at n=24A007068
- a(n) = 4*a(n-1) - 2*a(n-2) with a(0) = 1, a(1) = 4.at n=12A007070
- a(0)=0; a(1)=1; a(n) = a(n-1) + (3 + (-1)^n)*a(n-2)/2.at n=26A062112
- Number of n step walks (each step +/-1 starting from 0) which are never more than 3 or less than -3.at n=24A068912
- a(n) = 4*a(n-2) - 2*a(n-4).at n=26A121720
- The number of 1 by n Haunted Mirror Maze puzzles with a unique solution ending with a mirror, where mirror orientation is fixed.at n=13A204089
- Expansion of (1+2*x-x^3)/(1-4*x^2+2*x^4).at n=24A217730