178165

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 93.at n=4A031681
• Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,3,0,1 for x=0,1,2,3,4.at n=10A196804
• a(n) = 15*binomial(n,6)-6*binomial(n-2,4)+binomial(n-4,4).at n=13A274311