41550

Appears in sequences

• Narayana-Zidek-Capell numbers: a(n) = 1 for n <= 2. Otherwise a(2n) = 2a(2n-1), a(2n+1) = 2a(2n) - a(n).at n=18A002083
• Number of multigraphs with 5 nodes and n edges.at n=18A014395
• Number of solutions to c(0)F(0) + ... + c(n)F(n) = 0, where c(i) = +-1 for i >= 0, number of (+1)'s >= number of (-1)'s, F(i) = A000045(i) = Fibonacci numbers.at n=45A058301
• Numbers n such that sigma(reverse(n)) = phi(n).at n=17A070856
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,0,2}.at n=39A080001
• A bisection of A002083.at n=9A259858