583440

Appears in sequences

• Numbers that can be expressed as the difference of the squares of primes in exactly twelve distinct ways.at n=13A092008
• a(n) = (n+1)(n+2)^3*(n+3)(13n^2 + 37n + 30)/720.at n=10A108671
• Denominator of the polynomial A_i(x) = Sum_{d=1..i-1} x^(i-d)/d for index i=2n+1 evaluated at x=7.at n=8A145622
• Numbers with prime factorization pqrstu^4.at n=10A190388
• Values of Euler's totient phi for A050498.at n=13A339883
• Triangular array read by rows: T(n, k) is the number of n X 2 Young tableaux with k vertical walls.at n=48A368745
• Product of n-th Pell number and n-th Catalan number: a(n) = A000129(n)*A000108(n).at n=7A372216