44511

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 33 ones.at n=9A031801
• Number of sequences of length n with elements {-2,-1,+1,+2}, counted up to simultaneous reversal and negation, such that the sum of elements of the whole sequence but of no proper subsequence equals 0 modulo n. For n>=4, the number of Hamiltonian (undirected) cycles on the circulant graph C_n(1,2).at n=27A137726
• Expansion of (3-2*x)/(1-x-x^3)+x/(1-x)^2+x/(1-x^2).at n=28A226509
• Numbers x such that sigma(x) + sigma(R(x)) = sigma(x + R(x)), where R(x) is the digit reversal of x and sigma(x) is the sum of the divisors of x.at n=29A246487
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S^3)^3.at n=20A291252
• Number of (undirected) Hamiltonian cycles in the n-antiprism graph.at n=13A306447