7747740

Appears in sequences

• Numbers with prime factorization pqrstu^2v^2.at n=22A190462
• T(n, k) = Sum_{j=0..k} (-1)^j*binomial(2*k, j)*(k - j)^(2*n)/(k!)^2, triangle read by rows, n >= 0 and 0 <= k <= n.at n=41A304336