57202

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 53.at n=3A031641
• Terms m of A003337 such that m+1 is also in A003337. I.e., smaller one of two consecutive numbers, both equal to a sum of three 4th powers.at n=8A085322
• Integers of the form (x^3)/6 + (x^2)/2 + x + 1.at n=23A127876
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2>x^2+y^2+z^2.at n=26A212094