1402817466

Appears in sequences

• a(n) = 2*Fibonacci(2*n+2).at n=21A025169
• A Chebyshev transform of (1+3x)/(1-3x).at n=21A099858
• Number of permutations avoiding the patterns {1432,2431,3412,3421,4132,4231,4312,4321}; number of strong sorting class based on 1432.at n=22A111282
• Inverse score permutation of an Fibonacci -anti-Fibonacci zero sum game of 2 X 2 matrices.at n=28A134016