1256640

Appears in sequences

• Numbers m such that sigma(4*m+3) = 6*m.at n=9A067678
• Numbers that can be expressed as the difference of the squares of primes in exactly fifteen distinct ways.at n=11A092011
• a(n) = binomial(n+3,3)*binomial(n+7,3).at n=15A104474
• Numerator of u(n) where u(n) = (u(n-1) + u(n-2)) * (u(n-2) + u(n-3)) / u(n-4) with u(0) = -1, u(1) = u(2) = u(3) = 1.at n=10A248048
• Least number k such that k^2 + k^3 is of the form x^2 + y^3 in exactly n ways where x, y > 0.at n=12A273788