1,2

M(n) is the array in which m(x,y,z,t,u)=x*y*z*t*u for x = 1 to n, y = 1 to n, z = 1 to n, t = 1 to n and u = 1 to n. In M(7), the most frequently occurring numbers are 360, 420, 504 and 840, each occurring 300 times. The largest of these numbers is 840, so a(7) = 840.

Cf. A057144, A057339, A057342, A057344.

Sequence in context: A000426 A089698 A133887 this_sequence A048740 A139608 A009923

Adjacent sequences: A057342 A057343 A057344 this_sequence A057346 A057347 A057348

nonn

N. Fernandez (primeness(AT)borve.org), Aug 28 2000