A057343 Smallest of the most frequently occurring numbers in 1-to-n 4-dimensional multiplication table.

1, 4, 6, 24, 60, 60, 60, 96, 144, 360, 360, 720, 720, 720, 720, 1440, 1440, 1440, 1440, 1440, 5040, 5040, 5040, 5040, 5040, 5040, 4320, 10080, 10080, 10080, 10080, 10080, 10080, 10080, 10080, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240, 30240

Offset: 1

Author

Neil Fernandez, Aug 28 2000

Keywords

• nonn

Examples

			M(n) is the array in which m(x,y,z,t)=x*y*z*t for x = 1 to n, y = 1 to n, z = 1 to n and t = 1 to n In M(7), the most frequently occurring numbers are 60, 72, 84, 120 and 168, each occurring 60 times. The smallest of these numbers is 60, so a(7) = 60.
		

Crossrefs

Cf. A057144, A057340, A057341, A057342, A057346.

Extensions

a(16)-a(50) from Charlie Neder, Jan 15 2019