135408

Appears in sequences

• Fermat coefficients.at n=30A000970
• Numbers that can be expressed as the difference of the squares of primes in exactly eight distinct ways.at n=23A092004
• a(n) = 256*n^2 - 16.at n=22A158562
• Number of symmetric 13-ary factorizations of the n-cycle (1,2...n).at n=10A192894
• a(n) = binomial(5*(n+1),4)/5, with n >= 0.at n=12A234043
• a(n) = binomial((n+1)*(2*n+1), n) / ((n+1)*(2*n+1)).at n=5A299429