118503

Appears in sequences

• (s(n)+s(n+1))/6, where s()=A006521.at n=31A016059
• Denominators of e.g.f. sec(arccosh(x)) = cosec(arcsinh(x)).at n=35A102074
• Least term of A094179 with exactly 2n divisors.at n=19A204046
• Where the number of divisors d(k) reaches a new record for numbers k whose prime factors are of the form 4*j+3.at n=14A326313
• a(n) = Sum_{k = 0..n} (-1)^(n+k) * binomial(n,k)*binomial(n+k-1,n)* binomial(3*n+k-1,n).at n=5A365028