66925

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 27.at n=11A031615
• a(n) = 44*n^2 + 1.at n=39A158630
• Number of length-n 0..n arrays connected end-around, with no sequence of L<n elements immediately followed by itself (periodic "squarefree"), and new values introduced in order 0..n.at n=10A215394
• Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=6A269615
• T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=51A269619
• Number of length-7 0..n arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=3A269623