866988874

Appears in sequences

• Expansion of 2*x*(1 - x)/(1 - 3*x + x^2).at n=22A052995
• Row sums of array T in A055818; twice the odd-indexed Fibonacci numbers after initial term.at n=22A055819
• Number of base 4 n-digit numbers with adjacent digits differing by one or less.at n=21A126358
• Denominators of A178381(4*n+3)/A178381(4*n+2).at n=21A179133