371008

Appears in sequences

• Coefficients of Chebyshev polynomials.at n=30A005583
• Expansion of g.f. x*(1 + x)*(1 + 6*x + x^2)/(1 - x)^7.at n=15A006858
• Triangle read by rows: the coefficient [x^k] of the polynomial Product_{i=1..n} (4^(i-1)-x), in row n and column 0 <= k <= n.at n=17A157784
• a(n) = n*(n+1)*(n+2)*(n+3)/3.at n=31A162668
• Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial Product_{i=1..n} (x + q^i) in row n, column 0<=k<=n, and q = 4.at n=18A173008
• The first of three consecutive octagonal numbers the sum of which is equal to the sum of three consecutive primes.at n=5A298312