1050000

Appears in sequences

• Triangle of coefficients in expansion of (4 + 5*x)^n.at n=33A013628
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*4^j.at n=30A038246
• Stirling2 triangle with scaled diagonals (powers of 10).at n=32A075505
• Triangular array of coefficients multiplied by n! of polynomials in e. These give the expected number of trials needed for the sum of uniform random variables from the interval [0,1] to exceed n+1.at n=40A089087
• Array read by antidiagonals: A(n,k) = (k+1)^n*(n+k)!/n!.at n=40A152818
• a(n) = 5^n*(n+4)!/n!.at n=4A154128
• a(n) = (n+1)^4*(4+n)!/24.at n=4A154307
• Area A of the triangles such that A, the sides and two medians are integers.at n=26A181928
• Triangle, read by rows, where T(n,k) = k!*C(n, k)*5^(n-k) for n>=0, k=0..n.at n=39A218016
• Triangle, read by rows, where T(n,k) = k!*C(n, k)*5^(n-k) for n>=0, k=0..n.at n=40A218016
• a(n) = 5^(n-1) * n! * Catalan(n-1).at n=4A221953
• Numbers x such that x = concat(a, b) and a' * b' = x, where a' and b' are the arithmetic derivatives of a and b.at n=6A259851