1041846

Appears in sequences

• Expansion of g.f. x*(1 + x)*(1 + 6*x + x^2)/(1 - x)^7.at n=18A006858
• a(n) = n*(n + 1)*(n + 2)*(7*n - 5)/12.at n=36A264850
• The first of three consecutive hexagonal numbers the sum of which is equal to the sum of three consecutive primes.at n=27A298272