123840

Appears in sequences

• Denominators of continued fraction convergents to sqrt(935).at n=15A042809
• Determinant of the n X n matrix whose element (i,j) equals f(|i-j|) where f(n) is 1 if the sum of middle divisors (A071090) > 0, else 0.at n=26A071548
• Subset of A020342 (vampire numbers, definition 1) listing numbers which have more than one such representation of the desired form.at n=31A144563
• a(n) = 121*n^2 - 2*n.at n=31A157040
• Numbers with prime factorization pqr^2s^6.at n=31A190474
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+329)^2 = y^2.at n=33A205672
• a(n) = largest k such that A049820(k) <= A262509(n).at n=37A263083
• Coefficients in expansion of q*E'_8 where E_8 is the Eisenstein Series (A008410).at n=1A289744