79206

Appears in sequences

• Fibonacci sequence beginning 2, 6.at n=21A022112
• Triangle T(n,k) of series-reduced (or homeomorphically irreducible) graphs with loops on n labeled nodes and with k edges, k=0..binomial(n+1,2).at n=51A060517
• Sum of Lucas numbers and reflected Lucas numbers (comment to A061084).at n=22A075091
• a(n) = gcd(Lucas(n)-1, Fibonacci(n)+1).at n=42A115312
• Number of binary strings of length n with no substrings equal to 0000, 0001 or 1001.at n=22A164413
• Number of reducible Boolean polynomials of degree n.at n=17A169913
• Denominators of A178381(4*n+1)/A178381(4*n).at n=11A179132
• E.g.f.: 1/((1+LambertW(-x))*(1-x)).at n=6A277506
• a(n) = 3*a(n-2) - a(n-4) for n > 3, with a(0)=4, a(1)=3, a(2)=a(3)=6, a sequence related to bisections of Fibonacci numbers.at n=22A292616