6593839

Appears in sequences

• Number of ways of placing n labeled balls into n unlabeled (but7-colored) boxes.at n=7A144263
• a(n) = B(n,n), where B(n,x) = Sum_{k=0..n} Stirling2(n,k)*x^k are the Bell polynomials (also known as exponential polynomials or Touchard polynomials).at n=7A242817
• Triangle read by rows. T(n, k) = BellPolynomial(n, k).at n=35A350256