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

1,2

Links

Table of n, a(n) for n=1..50.

Example

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.

Sequence in context: A034458 A240290 A067001 * A343466 A000287 A032087

Adjacent sequences: A057340 A057341 A057342 * A057344 A057345 A057346

Keyword

nonn

Author

Neil Fernandez, Aug 28 2000

Extensions

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

Status

approved