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A057342
Largest of the most frequently occurring numbers in 1-to-n 4-dimensional multiplication table.
4
1, 4, 18, 24, 60, 120, 168, 96, 144, 360, 360, 720, 720, 1008, 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
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 largest of these numbers is 168, so a(7) = 168.
CROSSREFS
KEYWORD
nonn
AUTHOR
Neil Fernandez, Aug 28 2000
EXTENSIONS
a(16)-a(50) from Charlie Neder, Jan 15 2019
STATUS
approved